0001564590-21-021157 | 10-Q | XBRL Viewer

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Document and Entity Information	3 Months Ended
Document and Entity Information	Mar. 31, 2021 shares
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2021
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	Q1
Entity Registrant Name	SCHLUMBERGER LIMITED/NV
Entity Central Index Key	0000087347
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding	1,398,332,463
Entity Shell Company	false
Entity Small Business	false
Entity Emerging Growth Company	false
Entity File Number	1-4601
Entity Tax Identification Number	52-0684746
Entity Address, Address Line One	5599 San Felipe
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
Entity Incorporation, State or Country Code	P8
Entity Address, Country	US
Entity Address, Postal Zip Code	77056
City Area Code	713
Local Phone Number	513-2000
Document Quarterly Report	true
Document Transition Report	false
Title of 12(b) Security	common stock, par value $0.01 per share
Security Exchange Name	NYSE
Trading Symbol	SLB

CONSOLIDATED STATEMENT OF INCOME (LOSS) (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue
Total Revenue	$ 5,223	$ 7,455
Interest & other income	19	39
Expenses
Research & engineering	135	173
General & administrative	81	127
Impairments & other		8,523
Interest	136	136
Income (loss) before taxes	386	(8,089)
Tax expense (benefit)	74	(721)
Net income (loss)	312	(7,368)
Net income attributable to noncontrolling interests	13	8
Net income (loss) attributable to Schlumberger	$ 299	$ (7,376)
Basic income (loss) per share of Schlumberger	$ 0.21	$ (5.32)
Diluted income (loss) per share of Schlumberger	$ 0.21	$ (5.32)
Average shares outstanding:
Basic	1,398	1,387
Assuming dilution	1,419	1,387
Services
Revenue
Total Revenue	$ 3,482	$ 5,426
Expenses
Cost of services and sales	3,031	4,727
Product
Revenue
Total Revenue	1,741	2,029
Expenses
Cost of services and sales	$ 1,473	$ 1,897

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 312	$ (7,368)
Currency translation adjustments
Unrealized net change arising during the period	14	(125)
Cash flow hedges
Net gain (loss) on cash flow hedges	150	(203)
Reclassification to net income (loss) of net realized (gain) loss	(2)	1
Pension and other postretirement benefit plans
Amortization to net income (loss) of net actuarial loss	63	51
Amortization to net income (loss) of net prior service credit	(5)	(5)
Income taxes on pension and other postretirement benefit plans		(4)
Comprehensive income (loss)	532	(7,653)
Comprehensive income attributable to noncontrolling interests	13	8
Comprehensive income (loss) attributable to Schlumberger	$ 519	$ (7,661)

CONSOLIDATED BALANCE SHEET - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Current Assets
Cash	$ 1,268	$ 844
Short-term investments	1,642	2,162
Receivables less allowance for doubtful accounts (2021 - $319; 2020 - $301)	5,269	5,247
Inventories	3,303	3,354
Other current assets	1,325	1,312
Current assets total	12,807	12,919
Investments in Affiliated Companies	2,090	2,061
Fixed Assets less accumulated depreciation	6,620	6,826
Multiclient Seismic Data	298	317
Goodwill	12,978	12,980
Intangible Assets	3,397	3,455
Other Assets	3,846	3,876
Total Assets	42,036	42,434
Current Liabilities
Accounts payable and accrued liabilities	7,956	8,442
Estimated liability for taxes on income	983	1,015
Short-term borrowings and current portion of long-term debt	749	850
Dividends payable	185	184
Current Liabilities Total	9,873	10,491
Long-term Debt	15,834	16,036
Postretirement Benefits	1,003	1,049
Other Liabilities	2,354	2,369
Total Liabilities	29,064	29,945
Equity
Common stock	12,663	12,970
Treasury stock	(2,598)	(3,033)
Retained earnings	7,142	7,018
Accumulated other comprehensive loss	(4,664)	(4,884)
Schlumberger stockholders’ equity	12,543	12,071
Noncontrolling interests	429	418
Total equity	12,972	12,489
Liabilities and stockholders equity	$ 42,036	$ 42,434

CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Statement Of Financial Position [Abstract]
Allowance for doubtful accounts on receivable	$ 319	$ 301

CONSOLIDATED STATEMENT OF CASH FLOWS (Unaudited) - USD ($)
$ in Millions

3 Months Ended

Mar. 31, 2021

Mar. 31, 2020

Cash flows from operating activities:

Net income (loss)

$ 312

$ (7,368)

Adjustments to reconcile net loss to cash provided by operating activities:

Impairments and other charges

8,523

Depreciation and amortization

^[1]

532

792

Deferred taxes

(29)

(781)

Stock-based compensation expense

108

Earnings of equity method investments, less dividends received

(13)

(10)

Change in assets and liabilities:

(Increase) decrease in receivables

^[2]

(16)

233

Decrease (increase) in inventories

^[2]

(42)

(Increase) decrease in other current assets

^[2]

(17)

Decrease (increase) in other assets

^[2]

(7)

Decrease in accounts payable and accrued liabilities

^[2]

(438)

(640)

Decrease in estimated liability for taxes on income

^[2]

(33)

(48)

Decrease in other liabilities

^[2]

(18)

(37)

Other

^[2]

NET CASH PROVIDED BY OPERATING ACTIVITIES

429

784

Cash flows from investing activities:

Capital expenditures

(178)

(407)

APS investments

(85)

(163)

Multiclient seismic data costs capitalized

(7)

(35)

Business acquisitions and investments, net of cash acquired

(13)

Sale (purchase) of investments, net

(520)

941

Net proceeds from divestitures

298

Other

(26)

(64)

NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES

211

(1,312)

Cash flows from financing activities:

Dividends paid

(174)

(692)

Proceeds from employee stock purchase plan

Stock repurchase program

(26)

Proceeds from issuance of long-term debt

134

1,475

Repayment of long-term debt

(98)

(90)

Net (decrease) increase in short-term borrowings

(101)

Other

(35)

(9)

NET CASH (USED IN) PROVIDED BY FINANCING ACTIVITIES

(212)

777

Net increase in cash before translation effect

428

249

Translation effect on cash

(4)

(11)

Cash, beginning of period

844

1,137

Cash, end of period

$ 1,268

$ 1,375

[1]	Includes depreciation of property, plant and equipment and amortization of intangible assets, multiclient seismic data costs, and APS investments.
[2]	Net of the effect of business acquisitions and divestitures.

CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock Issued	Common Stock In Treasury	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Balance at Dec. 31, 2019	$ 24,176	$ 13,078	$ (3,631)	$ 18,751	$ (4,438)	$ 416
Net income (loss)	(7,368)			(7,376)		8
Currency translation adjustments	(128)				(125)	(3)
Changes in fair value of cash flow hedges	(202)				(202)
Pension and other postretirement benefit plans	42				42
Shares sold to optionees, less shares exchanged		(117)	117
Vesting of restricted stock	85	(95)	180
Stock repurchase program	(26)		(26)
Stock-based compensation expense	108	108
Dividends declared	(694)			(694)
Other	(10)	(11)				1
Balance at Mar. 31, 2020	15,983	12,963	(3,360)	10,681	(4,723)	422
Balance at Dec. 31, 2020	$ 12,489	$ 12,970	$ (3,033)	7,018	(4,884)	418
Balance, shares at Dec. 31, 2020	1,392	1,434
Treasury shares, Balance at Dec. 31, 2020			(42)
Net income (loss)	$ 312			299		13
Currency translation adjustments	12				14	(2)
Changes in fair value of cash flow hedges	148				148
Pension and other postretirement benefit plans	$ 58				58
Vesting of restricted stock		$ (171)	$ 171
Vesting of restricted stock, shares	2		2
Shares issued under employee stock purchase plan	$ 62	(202)	$ 264
Shares issued under employee stock purchase plan, shares	4		4
Stock-based compensation expense	$ 84	84
Dividends declared	(175)			(175)
Other	(18)	(18)
Balance at Mar. 31, 2021	$ 12,972	$ 12,663	$ (2,598)	$ 7,142	$ (4,664)	$ 429
Balance, shares at Mar. 31, 2021	1,398	1,434
Treasury shares, Balance at Mar. 31, 2021			(36)

CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Parenthetical) (Unaudited) - $ / shares	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Retained Earnings
Dividends declared, per share	$ 0.125	$ 0.50

Basis of Presentation

3 Months Ended

Mar. 31, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Basis of Presentation

1. Basis of Presentation

The accompanying unaudited consolidated financial statements of Schlumberger Limited and its subsidiaries (“Schlumberger”) have been prepared in accordance with generally accepted accounting principles in the United States of America for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by generally accepted accounting principles for complete financial statements. In the opinion of Schlumberger management, all adjustments considered necessary for a fair statement have been included in the accompanying unaudited financial statements. All intercompany transactions and balances have been eliminated in consolidation. Operating results for the three-month period ended March 31, 2021 are not necessarily indicative of the results that may be expected for the full year ending December 31, 2021. The December 31, 2020 balance sheet information has been derived from the Schlumberger 2020 audited financial statements. For further information, refer to the Consolidated Financial Statements and notes thereto included in the Schlumberger Annual Report on Form 10-K for the year ended December 31, 2020, filed with the Securities and Exchange Commission on January 27, 2021.

Charges and Credits

3 Months Ended

Mar. 31, 2021

Restructuring And Related Activities [Abstract]

Charges and Credits

2. Charges and Credits

Schlumberger did not record any charges or credits during the first quarter of 2021.

During the first quarter of 2020, Schlumberger recorded the following charges, all of which are classified as Impairments & other in the Consolidated Statement of Income (Loss):

	(Stated in millions)

	Pretax		Tax			Net
Goodwill	$	3,070	$	-		$	3,070
Intangible assets		3,321		815			2,506
APS investments		1,264		(4	)		1,268
North American pressure pumping		587		133			454
Severance		202		7			195
Other		79		9			70
Valuation allowance		-		(164	)		164
	$	8,523	$	796		$	7,727

•

Geopolitical events that increased the supply of low-priced oil to the global market occurred at the same time that demand weakened due to the worldwide effects of the COVID-19 pandemic, leading to a collapse in oil prices during March 2020. As a result, Schlumberger’s market capitalization deteriorated significantly compared to the end of 2019. Schlumberger’s stock price reached a low during the first quarter of 2020 not seen since 1995. Additionally, the Philadelphia Oil Services Sector index, which is comprised of companies involved in the oil services sector, reached an all-time low. As a result of these facts, Schlumberger determined that it was more likely than not that the fair value of certain of its reporting units were less than their carrying value. Therefore, Schlumberger performed an interim goodwill impairment test that resulted in a $3.1 billion goodwill impairment charge.

Schlumberger used the income approach to estimate the fair value of its reporting units, but also considered the market approach to validate the results. The income approach estimates the fair value by discounting each reporting unit’s estimated future cash flows using Schlumberger’s estimate of the discount rate, or expected return, that a marketplace participant would have required as of the valuation date. The market approach includes the use of comparative multiples to corroborate the discounted cash flow results. The market approach involves significant judgement involved in the selection of the appropriate peer group companies and valuation multiples.

Some of the more significant assumptions inherent in the income approach include the estimated future net annual cash flows for each reporting unit and the discount rate. Schlumberger selected the assumptions used in the discounted cash flow projections using historical data supplemented by current and anticipated market conditions and estimated growth rates. Schlumberger’s estimates are based upon assumptions believed to be reasonable. However, given the inherent uncertainty in determining the assumptions underlying a discounted cash flow analysis, particularly in the current volatile market, actual

results may differ from those used in Schlumberger’s valuations which could result in additional impairment charges in the future.

The discount rates utilized to value Schlumberger’s reporting units were between 12.0% and 13.5%, depending on the risks and uncertainty inherent in the respective reporting unit as well as the size of the reporting unit. Assuming all other assumptions and inputs used in each of the respective discounted cash flow analysis were held constant, a 50-basis point increase or decrease in the discount rate assumptions would have changed the fair value of the seven reporting units, on average, by less than 5%.

•

The negative market indicators described above were triggering events that indicated that certain of Schlumberger’s long-lived intangible and tangible assets may have been impaired. Recoverability testing indicated that certain long-lived assets were impaired. The estimated fair value of these assets was determined to be below their carrying value. As a result, Schlumberger recorded the following impairment charges:

$3.3 billion relating to intangible assets, of which $2.2 billion related to Schlumberger’s 2016 acquisition of Cameron International Corporation and $1.1 billion related to Schlumberger’s 2010 acquisition of Smith International, Inc. Following this impairment charge, the carrying value of the impaired intangible assets was approximately $0.9 billion.

$1.3 billion relating to the carrying value of certain Asset Performance Solutions (“APS”) projects in North America.

$0.6 billion of fixed assets associated with the pressure pumping business in North America.

•

$202 million of severance.

•

$79 million of other restructuring charges, primarily consisting of the impairment of an equity method investment that was determined to be other-than-temporarily impaired.

•

$164 million relating to a valuation allowance against certain deferred tax assets.

Income (loss) Per Share

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Income (loss) Per Share

3. Income (loss) Per Share

The following is a reconciliation from basic income (loss) per share of Schlumberger to diluted income (loss) per share of Schlumberger:

(Stated in millions, except per share amounts)

	2021						2020
	Schlumberger Net Income		Average Shares Outstanding		Income per Share		Schlumberger Net Loss			Average Shares Outstanding		Loss per Share
First Quarter
Basic	$	299		1,398	$	0.21	$	(7,376	)		1,387	$	(5.32	)
Unvested restricted stock		-		21				-			-
Diluted	$	299		1,419	$	0.21	$	(7,376	)		1,387	$	(5.32	)

The number of outstanding options to purchase shares of Schlumberger common stock that were not included in the computation of diluted loss per share, because to do so would have had an antidilutive effect, was as follows:

(Stated in millions)

	Three Months Ended March 31,
	2021		2020
Employee stock options		44		51
Unvested restricted stock		-		16

Inventories

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Inventories

4. Inventories

A summary of inventories, which are stated at the lower of average cost or net realizable value, is as follows:

(Stated in millions)

	Mar. 31,		Dec. 31,
	2021		2020
Raw materials & field materials	$	1,545	$	1,573
Work in progress		483		464
Finished goods		1,275		1,317
	$	3,303	$	3,354

Fixed Assets

3 Months Ended

Mar. 31, 2021

Property Plant And Equipment [Abstract]

Fixed Assets

5. Fixed Assets

A summary of fixed assets follows:

(Stated in millions)

	Mar. 31,		Dec. 31,
	2021		2020
Property, plant & equipment	$	29,703	$	29,744
Less: Accumulated depreciation		23,083		22,918
	$	6,620	$	6,826

Depreciation expense relating to fixed assets was $355 million and $449 million in the first quarter of 2021 and 2020, respectively.

Multiclient Seismic Data

3 Months Ended

Mar. 31, 2021

Multiclient Seismic Data [Abstract]

Multiclient Seismic Data

6. Multiclient Seismic Data

The change in the carrying amount of multiclient seismic data for the three months ended March 31, 2021 was as follows:

(Stated in millions)

Balance at December 31, 2020	$	317
Capitalized in period		7
Charged to expense		(26	)
	$	298

Intangible Assets

3 Months Ended

Mar. 31, 2021

Goodwill And Intangible Assets Disclosure [Abstract]

Intangible Assets

7. Intangible Assets

The gross book value, accumulated amortization and net book value of intangible assets were as follows:

	(Stated in millions)

	Mar. 31, 2021						Dec. 31, 2020
	Gross		Accumulated		Net Book		Gross		Accumulated		Net Book
	Book Value		Amortization		Value		Book Value		Amortization		Value
Customer relationships	$	1,743	$	507	$	1,236	$	1,744	$	485	$	1,259
Technology/technical know-how		1,284		514		770		1,284		488		796
Tradenames		767		174		593		767		166		601
Other		1,509		711		798		1,488		689		799
	$	5,303	$	1,906	$	3,397	$	5,283	$	1,828	$	3,455

Amortization expense charged to income was $76 million during the first quarter of 2021 and $133 million during the first quarter of 2020.

Based on the net book value of intangible assets at March 31, 2021, amortization charged to income for the subsequent five years is estimated to be: remaining three quarters of 2021—$228 million; 2022—$295 million; 2023—$288 million; 2024—$267 million; 2025—$255 million; and 2026—$252 million.

Long-term Debt

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Long-term Debt

8. Long-term Debt

A summary of Long-term Debt follows:

(Stated in millions)

	Mar. 31,		Dec. 31,
	2021		2020
3.65% Senior Notes due 2023	$	1,496	$	1,496
3.90% Senior Notes due 2028		1,452		1,450
2.65% Senior Notes due 2030		1,250		1,250
1.375% Guaranteed Notes due 2026		1,173		1,221
2.00% Guaranteed Notes due 2032		1,167		1,214
0.25% Notes due 2027		1,057		1,100
0.50% Notes due 2031		1,056		1,099
2.40% Senior Notes due 2022		999		999
4.00% Senior Notes due 2025		930		930
4.30% Senior Notes due 2029		845		846
3.75% Senior Notes due 2024		747		746
1.00% Guaranteed Notes due 2026		703		736
0.00% Notes due 2024		588		611
2.65% Senior Notes due 2022		599		598
1.40% Senior Notes due 2025		498		498
3.63% Senior Notes due 2022		295		295
7.00% Notes due 2038		205		206
5.95% Notes due 2041		113		114
5.13% Notes due 2043		99		99
4.00% Notes due 2023		80		80
3.70% Notes due 2024		55		55
Commercial paper borrowings		427		393
	$	15,834	$	16,036

The estimated fair value of Schlumberger’s Long-term Debt, based on quoted market prices at March 31, 2021 and December 31, 2020, was $17.5 billion and $17.3 billion, respectively.

During the second quarter of 2020, Schlumberger entered into a €1.54 billion one-year committed revolving credit facility. In March 2021, Schlumberger exercised an option to extend this facility for six months. This facility can be extended for a further six months at Schlumberger’s election. In April 2021, Schlumberger reduced the size of the facility to €0.75 billion. At March 31, 2021 no amounts had been drawn under this facility.

In addition to the revolving credit facility described above, at March 31, 2021, Schlumberger had separate committed credit facility agreements aggregating $6.25 billion with commercial banks, of which $5.82 billion was available and unused. These committed facilities support commercial paper programs in the United States and Europe, of which $2.75 billion matures in February 2023, $2.0 billion matures in February 2025 and $1.5 billion matures in July 2025. Interest rates and other terms of borrowing under these lines of credit vary by facility.

Borrowings under the commercial paper programs at both March 31, 2021 and December 31, 2020 were $0.4 billion, all of which was classified in Long-term debt in the Consolidated Balance Sheet.

During the first quarter of 2020, Schlumberger issued €400 million of 0.25% Notes due 2027 and €400 million of 0.50% Notes due 2031.

Schlumberger Limited fully and unconditionally guarantees the securities issued by certain of its subsidiaries, including securities issued by Schlumberger Investment SA and Schlumberger Finance Canada Ltd., both wholly-owned subsidiaries of Schlumberger.

Derivative Instruments and Hedging Activities

3 Months Ended

Mar. 31, 2021

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Derivative Instruments and Hedging Activities

9. Derivative Instruments and Hedging Activities

As a multinational company, Schlumberger conducts its business in over 120 countries. Schlumberger’s functional currency is primarily the US dollar.

Schlumberger is exposed to risks on future cash flows to the extent that the local currency is not the functional currency and expenses denominated in local currency are not equal to revenues denominated in local currency. Schlumberger uses foreign currency forward contracts to provide a hedge against a portion of these cash flow risks. These contracts are accounted for as cash flow hedges, with the changes in the fair value of the hedge recorded on the Consolidated Balance Sheet and in Accumulated Other Comprehensive Loss. Amounts recorded in Accumulated Other Comprehensive Loss are reclassified into earnings in the same period or periods that the hedged item is recognized in earnings.

Schlumberger is also exposed to risks on future cash flows relating to certain of its fixed rate debt denominated in currencies other than the functional currency. Schlumberger uses cross-currency swaps to provide a hedge against these cash flow risks. Included in Other Assets was $367 million at March 31, 2021 ($427 million at December 31, 2020) and included in Other Liabilities was $22 million at March 31, 2021 ($13 million at December 31, 2020) relating to the fair value of outstanding cross-currency swap derivatives. The fair value was determined using a model with inputs that are observable in the market or can be derived or collaborated by observable data.

During 2019, a US-dollar functional currency subsidiary of Schlumberger issued €1.5 billion of Euro-denominated debt. Schlumberger entered into cross-currency swaps for an aggregate notional amount of €1.5 billion in order to hedge changes in the fair value of its €0.5 billion 0.00% Notes due 2024, €0.5 billion 0.25% Notes due 2027 and €0.5 billion 0.50% Notes due 2031. These cross-currency swaps effectively convert the Euro-denominated notes to US-dollar denominated debt with fixed annual interest rates of 2.29%, 2.51% and 2.76%, respectively.

During the first quarter of 2020, a US-dollar functional currency subsidiary of Schlumberger issued €0.8 billion of Euro-denominated debt. Schlumberger entered into cross-currency swaps for an aggregate notional amount of €0.8 billion in order to hedge changes in the fair value of its €0.4 billion of 0.25% Notes due 2027 and €0.4 billion of 0.50% Notes due 2031. These cross-currency swaps effectively convert the Euro-denominated notes to US-dollar denominated debt with fixed annual interest rates of 1.87% and 2.20%, respectively.

During the second quarter of 2020, a US-dollar functional currency subsidiary of Schlumberger issued €2.0 billion of Euro-denominated debt. Schlumberger entered into cross-currency swaps for an aggregate notional amount of €2.0 billion in order to hedge changes in the fair value of its €1.0 billion of 1.375% Guaranteed Notes due 2026 and €1.0 billion of 2.00% Guaranteed Notes due 2032. These cross-currency swaps effectively convert the swapped portion of the Euro-denominated notes to US-dollar denominated debt with fixed annual interest rates of 2.77% and 3.49%, respectively.

During the third quarter of 2020, a Canadian dollar functional currency subsidiary of Schlumberger issued $0.5 billion of US dollar denominated debt. Schlumberger entered into cross-currency swaps for an aggregate notional amount of $0.5 billion in order to hedge changes in the fair value of its $0.5 billion 1.40% Senior Notes due 2025. These cross-currency swaps effectively convert the US dollar notes to Canadian dollar denominated debt with a fixed annual interest rate of 1.73%.

Schlumberger is exposed to changes in the fair value of assets and liabilities denominated in currencies other than the functional currency. While Schlumberger uses foreign currency forward contracts to economically hedge this exposure as it relates to certain currencies, these contracts are not designated as hedges for accounting purposes. Instead, the fair value of the contracts is recorded on the Consolidated Balance Sheet and changes in the fair value are recognized in the Consolidated Statement of Income (Loss), as are changes in the fair value of the hedged item.

At March 31, 2021, contracts were outstanding for the US dollar equivalent of $8.4 billion in various foreign currencies, of which $6.2 billion relates to hedges of debt denominated in currencies other than the functional currency.

Other than the previously mentioned cross-currency swaps, the fair value of the other outstanding derivatives was not material at March 31, 2021 and December 31, 2020.

The effect of derivative instruments designated as cash flow hedges, and those not designated as hedges, on the Consolidated Statement of Income (Loss) was as follows:

	(Stated in millions)

	Gain (Loss) Recognized in Income (loss)
	Three Months
	2021			2020			Consolidated Statement of Loss Classification
Derivatives designated as cash flow hedges:
Cross currency swaps	$	(216	)	$	58		Cost of services/sales
Foreign exchange contracts		2			(1	)	Cost of services/sales
	$	(214	)	$	57
Derivatives not designated as hedges:
Foreign exchange contracts	$	6		$	(9	)	Cost of services/sales

Contingencies

3 Months Ended

Mar. 31, 2021

Commitments And Contingencies Disclosure [Abstract]

Contingencies

10. Contingencies

Schlumberger is party to various legal proceedings from time to time. A liability is accrued when a loss is both probable and can be reasonably estimated. Management believes that the probability of a material loss with respect to any currently pending legal proceeding is remote. However, litigation is inherently uncertain and it is not possible to predict the ultimate disposition of any of these proceedings.

Segment Information

3 Months Ended

Mar. 31, 2021

Segment Reporting [Abstract]

Segment Information

11. Segment Information

				(Stated in millions)

	First Quarter 2021						First Quarter 2020
				Income						Income (Loss)
				Before						Before
	Revenue			Taxes			Revenue			Taxes
Digital & Integration	$	773		$	247		$	885		$	151
Reservoir Performance		1,002			102			1,969			134
Well Construction		1,935			209			2,815			331
Production Systems		1,590			138			1,912			191
Eliminations & other		(77	)		(32	)		(126	)		(31	)
					664						776
Corporate & other ⁽¹⁾					(150	)					(228	)
Interest income ⁽²⁾					4						15
Interest expense ⁽³⁾					(132	)					(129	)
Charges and credits ⁽⁴⁾					-						(8,523	)
	$	5,223		$	386		$	7,455		$	(8,089	)

⁽¹⁾	Comprised principally of certain corporate expenses not allocated to the segments, stock-based compensation costs, amortization expense associated with certain intangible assets, certain centrally managed initiatives and other nonoperating items.

⁽²⁾	Interest income excludes amounts which are included in the segments’ income ($1 million in 2021; $- million in 2020).

⁽³⁾	^{Interest expense excludes amounts which are included in the segments’ income ($4 million in 2021; $7 million in 2020).}

⁽⁴⁾	^{See Note 2 – Charges and Credits.}

Revenue by geographic area was as follows:

	(Stated in millions)

	First Quarter
	2021		2020
North America	$	972	$	2,180
Latin America		1,038		1,046
Europe/CIS/Africa		1,256		1,752
Middle East & Asia		1,917		2,427
Eliminations & other		40		50
	$	5,223	$	7,455

North America and International revenue disaggregated by segment was as follows:

							(Stated in millions)

	First Quarter 2021
	North						Eliminations
	America			International			& other			Total
Digital & Integration	$	161		$	610		$	2		$	773
Reservoir Performance		78			922			2			1,002
Well Construction		310			1,577			48			1,935
Production Systems		420			1,161			9			1,590
Eliminations & other		3			(59	)		(21	)		(77	)
	$	972		$	4,211		$	40		$	5,223


	First Quarter 2020
	North						Eliminations
	America			International			& other			Total
Digital & Integration	$	152		$	731		$	2		$	885
Reservoir Performance		718			1,249			2			1,969
Well Construction		635			2,124			56			2,815
Production Systems		690			1,203			19			1,912
Eliminations & other		(15	)		(82	)		(29	)		(126	)
	$	2,180		$	5,225		$	50		$	7,455

Revenue in excess of billings related to contracts where revenue is recognized over time was $0.2 billion at both March 31, 2021 and December 31, 2020. Such amounts are included within Receivables less allowance for doubtful accounts in the Consolidated Balance Sheet.

Due to the nature of its business, Schlumberger does not have significant backlog. Total backlog was $2.7 billion at March 31, 2021, of which approximately 45% is expected to be recognized as revenue over the next 12 months.

Billings and cash collections in excess of revenue was $1.0 billion at March 31, 2021 and $0.9 billion at December 31, 2020. Such amounts are included within Accounts payable and accrued liabilities in the Consolidated Balance Sheet.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

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+ Details

Pension and Other Postretirement Benefit Plans

3 Months Ended

Mar. 31, 2021

Compensation And Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefit Plans

12. Pension and Other Postretirement Benefit Plans

Net pension (credit) cost for the Schlumberger pension plans included the following components:

(Stated in millions)

	First Quarter
	2021						2020
	US			Int’l			US			Int’l
Service cost	$	11		$	33		$	15		$	37
Interest cost		32			69			37			75
Expected return on plan assets		(63	)		(158	)		(58	)		(147	)
Amortization of prior service cost		-			-			2			-
Amortization of net loss		11			52			11			40
	$	(9	)	$	(4	)	$	7		$	5

The net periodic benefit credit for the Schlumberger US postretirement medical plan included the following components:

(Stated in millions)

	First Quarter
	2021			2020
Service cost	$	7		$	9
Interest cost		8			10
Expected return on plan assets		(14	)		(17	)
Amortization of prior service credit		(5	)		(7	)
	$	(4	)	$	(5	)

- Definition

The entire disclosure for retirement benefits.

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+ Details

Charges and Credits (Tables)

3 Months Ended

Mar. 31, 2021

Restructuring And Related Activities [Abstract]

Summary of Charges and Credits

Schlumberger did not record any charges or credits during the first quarter of 2021.

During the first quarter of 2020, Schlumberger recorded the following charges, all of which are classified as Impairments & other in the Consolidated Statement of Income (Loss):

	(Stated in millions)

	Pretax		Tax			Net
Goodwill	$	3,070	$	-		$	3,070
Intangible assets		3,321		815			2,506
APS investments		1,264		(4	)		1,268
North American pressure pumping		587		133			454
Severance		202		7			195
Other		79		9			70
Valuation allowance		-		(164	)		164
	$	8,523	$	796		$	7,727

Income (loss) Per Share (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Reconciliation of Income (Loss) Per Share

The following is a reconciliation from basic income (loss) per share of Schlumberger to diluted income (loss) per share of Schlumberger:

(Stated in millions, except per share amounts)

	2021						2020
	Schlumberger Net Income		Average Shares Outstanding		Income per Share		Schlumberger Net Loss			Average Shares Outstanding		Loss per Share
First Quarter
Basic	$	299		1,398	$	0.21	$	(7,376	)		1,387	$	(5.32	)
Unvested restricted stock		-		21				-			-
Diluted	$	299		1,419	$	0.21	$	(7,376	)		1,387	$	(5.32	)

Schedule of Antidilutive Securities Excluded from Computation of Loss Per Share

(Stated in millions)

	Three Months Ended March 31,
	2021		2020
Employee stock options		44		51
Unvested restricted stock		-		16

Inventories (Tables)

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Summary of Inventory

A summary of inventories, which are stated at the lower of average cost or net realizable value, is as follows:

(Stated in millions)

	Mar. 31,		Dec. 31,
	2021		2020
Raw materials & field materials	$	1,545	$	1,573
Work in progress		483		464
Finished goods		1,275		1,317
	$	3,303	$	3,354

Fixed Assets (Tables)

3 Months Ended

Mar. 31, 2021

Property Plant And Equipment [Abstract]

Summary of Fixed Assets

A summary of fixed assets follows:

(Stated in millions)

	Mar. 31,		Dec. 31,
	2021		2020
Property, plant & equipment	$	29,703	$	29,744
Less: Accumulated depreciation		23,083		22,918
	$	6,620	$	6,826

Multiclient Seismic Data (Tables)

3 Months Ended

Mar. 31, 2021

Multiclient Seismic Data [Abstract]

Change in Carrying Amount of Multiclient Seismic Data

The change in the carrying amount of multiclient seismic data for the three months ended March 31, 2021 was as follows:

(Stated in millions)

Balance at December 31, 2020	$	317
Capitalized in period		7
Charged to expense		(26	)
	$	298

Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2021

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets by Major Class

The gross book value, accumulated amortization and net book value of intangible assets were as follows:

	(Stated in millions)

	Mar. 31, 2021						Dec. 31, 2020
	Gross		Accumulated		Net Book		Gross		Accumulated		Net Book
	Book Value		Amortization		Value		Book Value		Amortization		Value
Customer relationships	$	1,743	$	507	$	1,236	$	1,744	$	485	$	1,259
Technology/technical know-how		1,284		514		770		1,284		488		796
Tradenames		767		174		593		767		166		601
Other		1,509		711		798		1,488		689		799
	$	5,303	$	1,906	$	3,397	$	5,283	$	1,828	$	3,455

Long-term Debt (Tables)

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Summary of Long-term Debt

A summary of Long-term Debt follows:

(Stated in millions)

	Mar. 31,		Dec. 31,
	2021		2020
3.65% Senior Notes due 2023	$	1,496	$	1,496
3.90% Senior Notes due 2028		1,452		1,450
2.65% Senior Notes due 2030		1,250		1,250
1.375% Guaranteed Notes due 2026		1,173		1,221
2.00% Guaranteed Notes due 2032		1,167		1,214
0.25% Notes due 2027		1,057		1,100
0.50% Notes due 2031		1,056		1,099
2.40% Senior Notes due 2022		999		999
4.00% Senior Notes due 2025		930		930
4.30% Senior Notes due 2029		845		846
3.75% Senior Notes due 2024		747		746
1.00% Guaranteed Notes due 2026		703		736
0.00% Notes due 2024		588		611
2.65% Senior Notes due 2022		599		598
1.40% Senior Notes due 2025		498		498
3.63% Senior Notes due 2022		295		295
7.00% Notes due 2038		205		206
5.95% Notes due 2041		113		114
5.13% Notes due 2043		99		99
4.00% Notes due 2023		80		80
3.70% Notes due 2024		55		55
Commercial paper borrowings		427		393
	$	15,834	$	16,036

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

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+ Details

Derivative Instruments and Hedging Activities (Tables)

3 Months Ended

Mar. 31, 2021

Derivative Instruments And Hedging Activities Disclosure [Abstract]

Effect of Derivative Instruments Designated as Cash Flow Hedges and Not Designated as Hedges on Consolidated Statement of (Loss) Income

The effect of derivative instruments designated as cash flow hedges, and those not designated as hedges, on the Consolidated Statement of Income (Loss) was as follows:

	(Stated in millions)

	Gain (Loss) Recognized in Income (loss)
	Three Months
	2021			2020			Consolidated Statement of Loss Classification
Derivatives designated as cash flow hedges:
Cross currency swaps	$	(216	)	$	58		Cost of services/sales
Foreign exchange contracts		2			(1	)	Cost of services/sales
	$	(214	)	$	57
Derivatives not designated as hedges:
Foreign exchange contracts	$	6		$	(9	)	Cost of services/sales

Segment Information (Tables)

3 Months Ended

Mar. 31, 2021

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

				(Stated in millions)

	First Quarter 2021						First Quarter 2020
				Income						Income (Loss)
				Before						Before
	Revenue			Taxes			Revenue			Taxes
Digital & Integration	$	773		$	247		$	885		$	151
Reservoir Performance		1,002			102			1,969			134
Well Construction		1,935			209			2,815			331
Production Systems		1,590			138			1,912			191
Eliminations & other		(77	)		(32	)		(126	)		(31	)
					664						776
Corporate & other ⁽¹⁾					(150	)					(228	)
Interest income ⁽²⁾					4						15
Interest expense ⁽³⁾					(132	)					(129	)
Charges and credits ⁽⁴⁾					-						(8,523	)
	$	5,223		$	386		$	7,455		$	(8,089	)

⁽¹⁾	Comprised principally of certain corporate expenses not allocated to the segments, stock-based compensation costs, amortization expense associated with certain intangible assets, certain centrally managed initiatives and other nonoperating items.

⁽²⁾	Interest income excludes amounts which are included in the segments’ income ($1 million in 2021; $- million in 2020).

⁽³⁾	^{Interest expense excludes amounts which are included in the segments’ income ($4 million in 2021; $7 million in 2020).}

⁽⁴⁾	^{See Note 2 – Charges and Credits.}

Revenue by Geographic Area

Revenue by geographic area was as follows:

	(Stated in millions)

	First Quarter
	2021		2020
North America	$	972	$	2,180
Latin America		1,038		1,046
Europe/CIS/Africa		1,256		1,752
Middle East & Asia		1,917		2,427
Eliminations & other		40		50
	$	5,223	$	7,455

Summary of North America and International Revenue Disaggregated by Segment

North America and International revenue disaggregated by segment was as follows:

							(Stated in millions)

	First Quarter 2021
	North						Eliminations
	America			International			& other			Total
Digital & Integration	$	161		$	610		$	2		$	773
Reservoir Performance		78			922			2			1,002
Well Construction		310			1,577			48			1,935
Production Systems		420			1,161			9			1,590
Eliminations & other		3			(59	)		(21	)		(77	)
	$	972		$	4,211		$	40		$	5,223


	First Quarter 2020
	North						Eliminations
	America			International			& other			Total
Digital & Integration	$	152		$	731		$	2		$	885
Reservoir Performance		718			1,249			2			1,969
Well Construction		635			2,124			56			2,815
Production Systems		690			1,203			19			1,912
Eliminations & other		(15	)		(82	)		(29	)		(126	)
	$	2,180		$	5,225		$	50		$	7,455

Pension and Other Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2021

Compensation And Retirement Disclosure [Abstract]

Net Pension (Credit) Cost for Schlumberger Pension Plans and US Postretirement Medical Plan

Net pension (credit) cost for the Schlumberger pension plans included the following components:

(Stated in millions)

	First Quarter
	2021						2020
	US			Int’l			US			Int’l
Service cost	$	11		$	33		$	15		$	37
Interest cost		32			69			37			75
Expected return on plan assets		(63	)		(158	)		(58	)		(147	)
Amortization of prior service cost		-			-			2			-
Amortization of net loss		11			52			11			40
	$	(9	)	$	(4	)	$	7		$	5

The net periodic benefit credit for the Schlumberger US postretirement medical plan included the following components:

(Stated in millions)

	First Quarter
	2021			2020
Service cost	$	7		$	9
Interest cost		8			10
Expected return on plan assets		(14	)		(17	)
Amortization of prior service credit		(5	)		(7	)
	$	(4	)	$	(5	)

Charges and Credits - Summary of Charges and Credits (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)
Charges And Credits [Line Items]
Charges and credits, Pretax	$ 8,523
Charges and credits, Tax	796
Charges and credits, Net	7,727
Goodwill \| Impairment and Other
Charges And Credits [Line Items]
Charges and credits, Pretax	3,070
Charges and credits, Net	3,070
Intangible Assets Impairment \| Impairment and Other
Charges And Credits [Line Items]
Charges and credits, Pretax	3,321
Charges and credits, Tax	815
Charges and credits, Net	2,506
Asset Performance Solutions Investments \| Impairment and Other
Charges And Credits [Line Items]
Charges and credits, Pretax	1,264
Charges and credits, Tax	(4)
Charges and credits, Net	1,268
North America pressure pumping asset impairments \| Impairment and Other
Charges And Credits [Line Items]
Charges and credits, Pretax	587
Charges and credits, Tax	133
Charges and credits, Net	454
Severance \| Impairment and Other
Charges And Credits [Line Items]
Charges and credits, Pretax	202
Charges and credits, Tax	7
Charges and credits, Net	195
Other \| Impairment and Other
Charges And Credits [Line Items]
Charges and credits, Pretax	79
Charges and credits, Tax	9
Charges and credits, Net	70
Valuation allowance \| Impairment and Other
Charges And Credits [Line Items]
Charges and credits, Tax	(164)
Charges and credits, Net	$ 164

Charges and Credits - Additional Information (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($) Unit
Charges And Credits [Line Items]
Goodwill impairment charge	$ 3,100
Expected increase/decrease in discount rate assumption	0.50%
Number of reporting units fair value to be impacted \| Unit	7
Intangible assets	$ 3,300
Carrying Value Of Impaired Intangible Asset
Charges And Credits [Line Items]
Intangible assets	900
Carrying Value Of Impaired Intangible Asset \| North America
Charges And Credits [Line Items]
Intangible assets	1,300
North America pressure pumping asset impairments \| North America
Charges And Credits [Line Items]
Intangible assets	600
Severance
Charges And Credits [Line Items]
Intangible assets	202
Other Restructuring
Charges And Credits [Line Items]
Intangible assets	79
Valuation allowance \| North America
Charges And Credits [Line Items]
Intangible assets	164
Cameron
Charges And Credits [Line Items]
Intangible assets	2,200
Smith International Inc Smith Aand Geoservices
Charges And Credits [Line Items]
Intangible assets	$ 1,100
Minimum
Charges And Credits [Line Items]
Discount rate utilized	12.00%
Maximum
Charges And Credits [Line Items]
Discount rate utilized	13.50%
Expected percentage change in fair value of reporting units	5.00%

Income (loss) Per Share - Reconciliation of Income (Loss) Per Share (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Schlumberger Net Income (Loss)
Basic	$ 299	$ (7,376)
Diluted	$ 299	$ (7,376)
Average Shares Outstanding
Basic	1,398	1,387
Unvested restricted stock	21
Diluted	1,419	1,387
Earnings Income (loss) per Share
Basic	$ 0.21	$ (5.32)
Diluted	$ 0.21	$ (5.32)

Income (loss) Per Share - Schedule of Antidilutive Securities Excluded from Computation of Loss Per Share (Detail) - shares shares in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Employee Stock Options
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount	44	51
Unvested Restricted Stock
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount		16

Inventories - Summary of Inventory (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Raw materials & field materials	$ 1,545	$ 1,573
Work in progress	483	464
Finished goods	1,275	1,317
Inventories	$ 3,303	$ 3,354

Fixed Assets - Summary of Fixed Assets (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Abstract]
Property, plant & equipment	$ 29,703	$ 29,744
Less: Accumulated depreciation	23,083	22,918
Fixed assets less accumulated depreciation	$ 6,620	$ 6,826

Fixed Assets - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Property Plant And Equipment [Abstract]
Depreciation expense relating to fixed assets	$ 355	$ 449

Multiclient Seismic Data - Change in Carrying Amount of Multiclient Seismic Data (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)
Multiclient Seismic Data [Abstract]
Opening balance	$ 317
Capitalized in period	7
Charged to expense	(26)
Ending balance	$ 298

Intangible Assets - Schedule of Intangible Assets by Major Class (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]
Gross Book Value	$ 5,303	$ 5,283
Accumulated Amortization	1,906	1,828
Net Book Value	3,397	3,455
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Gross Book Value	1,743	1,744
Accumulated Amortization	507	485
Net Book Value	1,236	1,259
Technology/Technical Know-How
Finite Lived Intangible Assets [Line Items]
Gross Book Value	1,284	1,284
Accumulated Amortization	514	488
Net Book Value	770	796
Tradenames
Finite Lived Intangible Assets [Line Items]
Gross Book Value	767	767
Accumulated Amortization	174	166
Net Book Value	593	601
Other
Finite Lived Intangible Assets [Line Items]
Gross Book Value	1,509	1,488
Accumulated Amortization	711	689
Net Book Value	$ 798	$ 799

Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Goodwill And Intangible Assets Disclosure [Abstract]
Amortization expense	$ 76	$ 133
Estimated amortization charged to income, remaining three quarters of 2021	228
Estimated amortization charged to income, 2022	295
Estimated amortization charged to income, 2023	288
Estimated amortization charged to income, 2024	267
Estimated amortization charged to income, 2025	255
Estimated amortization charged to income, 2026	$ 252

Long-term Debt - Summary of Long-term Debt (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Long-term debt, carrying amount	$ 15,834	$ 16,036
3.65% Senior Notes due 2023
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,496	1,496
3.90% Senior Notes due 2028
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,452	1,450
2.65% Senior Notes due 2030
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,250	1,250
1.375% Guaranteed Notes due 2026
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,173	1,221
2.0% Guaranteed Notes due 2032
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,167	1,214
0.25% Notes due 2027
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,057	1,100
0.50% Notes due 2031
Debt Instrument [Line Items]
Long-term debt, carrying amount	1,056	1,099
2.40% Senior Notes due 2022
Debt Instrument [Line Items]
Long-term debt, carrying amount	999	999
4.00% Senior Notes due 2025
Debt Instrument [Line Items]
Long-term debt, carrying amount	930	930
4.30% Senior Notes due 2029
Debt Instrument [Line Items]
Long-term debt, carrying amount	845	846
3.75% Senior Notes due 2024
Debt Instrument [Line Items]
Long-term debt, carrying amount	747	746
1.00% Guaranteed Notes due 2026
Debt Instrument [Line Items]
Long-term debt, carrying amount	703	736
0.00% Notes due 2024
Debt Instrument [Line Items]
Long-term debt, carrying amount	588	611
2.65% Senior Notes due 2022
Debt Instrument [Line Items]
Long-term debt, carrying amount	599	598
1.40% Senior Notes due 2025
Debt Instrument [Line Items]
Long-term debt, carrying amount	498	498
3.63% Senior Notes due 2022
Debt Instrument [Line Items]
Long-term debt, carrying amount	295	295
7.00% Notes due 2038
Debt Instrument [Line Items]
Long-term debt, carrying amount	205	206
5.95% Notes due 2041
Debt Instrument [Line Items]
Long-term debt, carrying amount	113	114
5.13% Notes due 2043
Debt Instrument [Line Items]
Long-term debt, carrying amount	99	99
4.00% Notes due 2023
Debt Instrument [Line Items]
Long-term debt, carrying amount	80	80
3.70% Notes due 2024
Debt Instrument [Line Items]
Long-term debt, carrying amount	55	55
Commercial paper borrowings
Debt Instrument [Line Items]
Long-term debt, carrying amount	$ 427	$ 393

Long-term Debt - Additional Information (Detail) € in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)	Mar. 31, 2020 EUR (€)	Apr. 28, 2021 EUR (€)	Mar. 31, 2021 EUR (€)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 EUR (€)
Debt Instrument [Line Items]
Long-term debt, fair value	$ 17,500				$ 17,300
Committed credit facility agreement aggregated	6,250
Unused credit facility	5,820
0.25% Notes due 2027
Debt Instrument [Line Items]
Notes, face amount \| €		€ 400				€ 500
Debt instrument interest rate		0.25%
Debt instrument maturity date		2027
0.50% Notes due 2031
Debt Instrument [Line Items]
Notes, face amount \| €		€ 400				€ 500
Debt instrument interest rate		0.50%
Debt instrument maturity date		2031
Commercial paper programs mature in February 2023
Debt Instrument [Line Items]
Committed credit facility agreement aggregated	2,750
Commercial paper programs mature in July 2025
Debt Instrument [Line Items]
Committed credit facility agreement aggregated	1,500
Commercial paper programs mature in February 2025
Debt Instrument [Line Items]
Committed credit facility agreement aggregated	2,000
Commercial paper borrowings
Debt Instrument [Line Items]
Long-term debt	$ 400				$ 400
Revolving Credit Facility
Debt Instrument [Line Items]
Committed credit facility agreement aggregated \| €				€ 1,540
Credit facility extended period	6 months
Credit facility drawn	$ 0
Revolving Credit Facility \| Subsequent Event
Debt Instrument [Line Items]
Reduced size of credit facility \| €			€ 750

Derivative Instruments and Hedging Activities - Additional Information (Detail)	Mar. 31, 2021 USD ($) Country	Dec. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 EUR (€)	Mar. 31, 2020 EUR (€)	Dec. 31, 2019 EUR (€)
Derivative [Line Items]
Number of countries in which Schlumberger generates revenue \| Country	120
Denominated debt issued			$ 500,000,000	€ 2,000,000,000.0	€ 800,000,000	€ 1,500,000,000
Fair value of outstanding derivatives	$ 0	$ 0
0.00% Notes due 2024
Derivative [Line Items]
Notes, face amount \| €						€ 500,000,000
Derivative swap interest rate						0.00%
0.25% Notes due 2027
Derivative [Line Items]
Notes, face amount \| €					€ 400,000,000	€ 500,000,000
Derivative swap interest rate					0.25%	0.25%
Promissory note interest rate					0.25%
0.50% Notes due 2031
Derivative [Line Items]
Notes, face amount \| €					€ 400,000,000	€ 500,000,000
Derivative swap interest rate					0.50%	0.50%
Promissory note interest rate					0.50%
1.375% Guaranteed Notes due 2026
Derivative [Line Items]
Notes, face amount \| €				€ 1,000,000,000.0
Derivative swap interest rate				1.375%
2.00% Guaranteed Notes due 2032
Derivative [Line Items]
Notes, face amount \| €				€ 1,000,000,000.0
Derivative swap interest rate				2.00%
1.40% Senior Notes due 2025
Derivative [Line Items]
Notes, face amount			$ 500,000,000
Derivative swap interest rate			1.40%
Cross currency swaps
Derivative [Line Items]
Notional amount of interest rate swap			$ 500,000,000	€ 2,000,000,000.0	€ 800,000,000	€ 1,500,000,000
Cross currency swaps \| 0.00% Notes due 2024
Derivative [Line Items]
Promissory note interest rate						2.29%
Cross currency swaps \| 0.25% Notes due 2027
Derivative [Line Items]
Promissory note interest rate					1.87%	2.51%
Cross currency swaps \| 0.50% Notes due 2031
Derivative [Line Items]
Promissory note interest rate					2.20%	2.76%
Cross currency swaps \| 1.375% Guaranteed Notes due 2026
Derivative [Line Items]
Promissory note interest rate				2.77%
Cross currency swaps \| 2.00% Guaranteed Notes due 2032
Derivative [Line Items]
Promissory note interest rate				3.49%
Cross currency swaps \| 1.40% Senior Notes due 2025
Derivative [Line Items]
Promissory note interest rate			1.73%
Cross currency swaps \| Other Assets
Derivative [Line Items]
Derivative assets	367,000,000	427,000,000
Cross currency swaps \| Other Liabilities
Derivative [Line Items]
Derivative liability	22,000,000	$ 13,000,000
Foreign exchange contracts
Derivative [Line Items]
Notional amount of interest rate swap	8,400,000,000
Foreign exchange contracts \| Debt \| Derivatives designated as hedges
Derivative [Line Items]
Notional amount of interest rate swap	$ 6,200,000,000

Derivative Instruments and Hedging Activities - Effect of Derivative Instruments Designated as Cash Flow Hedges and Not Designated as Hedges on Consolidated Statement of Income (Loss) (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Derivatives not designated as hedges \| Foreign exchange contracts \| Cost of services/sales
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	$ 6	$ (9)
Cash Flow Hedging \| Derivatives designated as hedges
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	(214)	57
Cash Flow Hedging \| Derivatives designated as hedges \| Cross currency swaps \| Cost of services/sales
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	(216)	58
Cash Flow Hedging \| Derivatives designated as hedges \| Foreign exchange contracts \| Cost of services/sales
Derivative Instruments Gain Loss [Line Items]
Gain (Loss) Recognized in Income	$ 2	$ (1)

Segment Information - Schedule of Segment Reporting Information, by Segment (Detail) - USD ($)
$ in Millions

3 Months Ended

Mar. 31, 2021

Mar. 31, 2020

Segment Reporting Information [Line Items]

Revenue

$ 5,223

$ 7,455

Income (Loss) Before Taxes

386

(8,089)

Pretax segment operating income

664

776

Interest expense

136

Digital Integration

Segment Reporting Information [Line Items]

Revenue

773

885

Reservoir Performance

Segment Reporting Information [Line Items]

Revenue

1,002

1,969

Production Systems

Segment Reporting Information [Line Items]

Revenue

1,590

1,912

Operating Segments

Segment Reporting Information [Line Items]

Revenue

5,223

7,455

Interest income

Interest expense

Operating Segments | Digital Integration

Segment Reporting Information [Line Items]

Revenue

773

885

Income (Loss) Before Taxes

247

151

Operating Segments | Reservoir Performance

Segment Reporting Information [Line Items]

Revenue

1,002

1,969

Income (Loss) Before Taxes

102

134

Operating Segments | Well Construction

Segment Reporting Information [Line Items]

Revenue

1,935

2,815

Income (Loss) Before Taxes

209

331

Operating Segments | Production Systems

Segment Reporting Information [Line Items]

Revenue

1,590

1,912

Income (Loss) Before Taxes

138

191

Eliminations & other

Segment Reporting Information [Line Items]

Revenue

(77)

(126)

Income (Loss) Before Taxes

(32)

(31)

Corporate & other

^[1]

(150)

(228)

Interest income

^[2]

Interest expense

^[3]

$ (132)

(129)

Charges and credits

^[4]

$ (8,523)

[1]	Comprised principally of certain corporate expenses not allocated to the segments, stock-based compensation costs, amortization expense associated with certain intangible assets, certain centrally managed initiatives and other nonoperating items.
[2]	Interest income excludes amounts which are included in the segments’ income ($1 million in 2021; $- million in 2020).
[3]	Interest expense excludes amounts which are included in the segments’ income ($4 million in 2021; $7 million in 2020).
[4]	See Note 2 – Charges and Credits.

Segment Information - Schedule of Segment Reporting Information, by Segment (Parenthetical) (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Interest expense	$ 136	$ 136
Operating Segments
Segment Reporting Information [Line Items]
Interest income	1
Interest expense	$ 4	$ 7

Segment Information - Revenue by Geographic Area (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Revenue	$ 5,223	$ 7,455
Operating Segments
Segment Reporting Information [Line Items]
Revenue	5,223	7,455
Operating Segments \| North America
Segment Reporting Information [Line Items]
Revenue	972	2,180
Operating Segments \| Latin America
Segment Reporting Information [Line Items]
Revenue	1,038	1,046
Operating Segments \| Europe/CIS/Africa
Segment Reporting Information [Line Items]
Revenue	1,256	1,752
Operating Segments \| Middle East & Asia
Segment Reporting Information [Line Items]
Revenue	1,917	2,427
Eliminations & other
Segment Reporting Information [Line Items]
Revenue	$ 40	$ 50

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 32
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045

Reference 11: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

+ Details

Segment Information - Summary of North America and International Revenue Disaggregated by Segment (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Segment Reporting Information [Line Items]
Revenue	$ 5,223	$ 7,455
Digital Integration
Segment Reporting Information [Line Items]
Revenue	773	885
Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,002	1,969
Well Construction
Segment Reporting Information [Line Items]
Revenue	1,935	2,815
Production Systems
Segment Reporting Information [Line Items]
Revenue	1,590	1,912
Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(77)	(126)
Operating Segments
Segment Reporting Information [Line Items]
Revenue	5,223	7,455
Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	773	885
Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	1,002	1,969
Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	1,590	1,912
Eliminations & other
Segment Reporting Information [Line Items]
Revenue	40	50
Eliminations & other \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	2	2
Eliminations & other \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	2	2
Eliminations & other \| Well Construction
Segment Reporting Information [Line Items]
Revenue	48	56
Eliminations & other \| Production Systems
Segment Reporting Information [Line Items]
Revenue	9	19
Eliminations & other \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	(21)	(29)
North America \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	972	2,180
North America \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	161	152
North America \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	78	718
North America \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	310	635
North America \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	420	690
North America \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	3	(15)
International \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	4,211	5,225
International \| Operating Segments \| Digital Integration
Segment Reporting Information [Line Items]
Revenue	610	731
International \| Operating Segments \| Reservoir Performance
Segment Reporting Information [Line Items]
Revenue	922	1,249
International \| Operating Segments \| Well Construction
Segment Reporting Information [Line Items]
Revenue	1,577	2,124
International \| Operating Segments \| Production Systems
Segment Reporting Information [Line Items]
Revenue	1,161	1,203
International \| Operating Segments \| Eliminations & Other
Segment Reporting Information [Line Items]
Revenue	$ (59)	$ (82)

Segment Information - Additional Information (Detail) - USD ($) $ in Billions	3 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Segment Reporting [Abstract]
Revenue in excess of billings	$ 0.2	$ 0.2
Total backlog	$ 2.7
Percentage of revenue expected to be recognized over next 12 months	45.00%
Billings and cash collections in excess of revenue	$ 1.0	$ 0.9

Pension and Other Postretirement Benefit Plans - Net Pension (Credit) Cost for Schlumberger Pension Plans and US Postretirement Medical Plan (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Postretirement medical plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 7	$ 9
Interest cost	8	10
Expected return on plan assets	(14)	(17)
Amortization of prior service cost	(5)	(7)
Total pension (credit) cost	(4)	(5)
US
Defined Benefit Plan Disclosure [Line Items]
Service cost	11	15
Interest cost	32	37
Expected return on plan assets	(63)	(58)
Amortization of prior service cost		2
Amortization of net loss	11	11
Total pension (credit) cost	(9)	7
International
Defined Benefit Plan Disclosure [Line Items]
Service cost	33	37
Interest cost	69	75
Expected return on plan assets	(158)	(147)
Amortization of net loss	52	40
Total pension (credit) cost	$ (4)	$ 5