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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	Jun. 30, 2025 USD ($)	Jun. 30, 2025 EUR (€)	Jun. 30, 2025 SGD ($)	Jun. 30, 2025 GBP (£)	Jun. 30, 2025 JPY (¥)	Jun. 30, 2025 CAD ($)	Jun. 30, 2025 INR (₨)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 EUR (€)	Dec. 31, 2024 SGD ($)	Dec. 31, 2024 GBP (£)	Dec. 31, 2024 JPY (¥)	Dec. 31, 2024 CAD ($)	Dec. 31, 2024 INR (₨)
Contracts to sell USD for GBP
Derivative [Line Items]
Notional Amount	$ 656			£ 493				$ 604			£ 470
Contracts to sell USD for JPY
Derivative [Line Items]
Notional Amount	28				¥ 4,000			29				¥ 4,000
Contracts to sell USD for CAD
Derivative [Line Items]
Notional Amount	46					$ 63		35					$ 50
Contracts to sell USD for SGD
Derivative [Line Items]
Notional Amount	66		$ 84					45		$ 59
Contracts to sell USD for EUR
Derivative [Line Items]
Notional Amount	44	€ 39						0	€ 0
Contracts to sell USD for INR
Derivative [Line Items]
Notional Amount	22						₨ 1,900	23						₨ 1,900
Contracts to sell EUR for USD
Derivative [Line Items]
Notional Amount	$ 0	€ 0						$ 12	€ 12

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