Charges and Credits - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Charges And Credits [Line Items]
Severance charges	$ 158
Merger & integration	48	$ 11
Product
Charges And Credits [Line Items]
Cost of services and sales	2,628	2,592
Aker \| Subsea Business
Charges And Credits [Line Items]
Business acquisition pre tax charges	$ 48	25
Amortization of purchase accounting adjustments related to acquired inventories		14
Other merger and integration-related costs		11
Merger & integration		11
Aker \| Subsea Business \| Product
Charges And Credits [Line Items]
Cost of services and sales		$ 14

Amortization of purchase accounting adjustments related to write-up of acquired inventories estimated fair value.

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- Definition

Business combination other merger and integration related costs.

+ References

No definition available.

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- Definition

Business combination pre tax charges.

+ References

No definition available.

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- Definition

Charges and credits.

+ References

No definition available.

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- Definition

Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

+ References

No definition available.

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- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2)(d))
-Publisher FASB
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-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 924
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

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