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Derivatives and Net Investment Hedge - Summary of Net Gains (Losses) on Derivatives Designated as Cash Flow Hedging Instruments (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]
Net (losses) gains recognized in OCI, net of tax	$ (16)	$ 32
Cash Flow Hedging [Member] | Foreign Exchange Forward Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net (losses) gains recognized in OCI, net of tax	(1)	6
Net gains (losses) reclassified from accumulated OCI into cost of revenues	2	0
Cash Flow Hedging [Member] | Interest Rate Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net (losses) gains recognized in OCI, net of tax	(15)	26
Net gains (losses) reclassified from accumulated OCI into interest expense	$ 8	$ 17

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- Definition

Derivative instruments, gain loss reclassified from accumulated ocIi into cost of revenues.

+ References

No definition available.

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- Definition

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+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4E

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- Definition

Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness, attributable to parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-11

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