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Derivative Instruments And Hedging Activities - Summary of Notional Amounts of Outstanding Foreign Exchange Forwards (Detail) - Not Designated as Accounting Hedges € in Millions, ₨ in Millions, ¥ in Millions, £ in Millions, $ in Millions, $ in Millions, $ in Millions	Mar. 31, 2025 USD ($)	Mar. 31, 2025 EUR (€)	Mar. 31, 2025 GBP (£)	Mar. 31, 2025 JPY (¥)	Mar. 31, 2025 CAD ($)	Mar. 31, 2025 SGD ($)	Mar. 31, 2025 INR (₨)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 EUR (€)	Dec. 31, 2024 GBP (£)	Dec. 31, 2024 JPY (¥)	Dec. 31, 2024 CAD ($)	Dec. 31, 2024 SGD ($)	Dec. 31, 2024 INR (₨)
Contracts to sell USD for GBP
Derivative [Line Items]
Notional Amount	$ 659		£ 511					$ 604		£ 470
Contracts to sell USD for JPY
Derivative [Line Items]
Notional Amount	23			¥ 3,500				29			¥ 4,000
Contracts to sell USD for CAD
Derivative [Line Items]
Notional Amount	56				$ 80			35				$ 50
Contracts to sell USD for SGD
Derivative [Line Items]
Notional Amount	23					$ 30		45					$ 59
Contracts to sell USD for EUR
Derivative [Line Items]
Notional Amount	83	€ 76						0	€ 0
Contracts to sell USD for INR
Derivative [Line Items]
Notional Amount	22						₨ 1,900	23						₨ 1,900
Contracts to sell GBP for USD
Derivative [Line Items]
Notional Amount	73		£ 56					0		£ 0
Contracts to sell EUR for USD
Derivative [Line Items]
Notional Amount	$ 0	€ 0						$ 12	€ 12

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B

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