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	Dec. 31, 2025 USD ($)	Dec. 31, 2025 EUR (€)	Dec. 31, 2025 SGD ($)	Dec. 31, 2025 GBP (£)	Dec. 31, 2025 JPY (¥)	Dec. 31, 2025 CAD ($)	Dec. 31, 2025 INR (₨)	Dec. 31, 2024 USD ($)	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	$ 693			£ 522				$ 604			£ 470
Contracts to sell USD for JPY
Derivative [Line Items]
Notional Amount	17				¥ 2,700			29				¥ 4,000
Contracts to sell USD for CAD
Derivative [Line Items]
Notional Amount	39					$ 53		35					$ 50
Contracts to sell USD for SGD
Derivative [Line Items]
Notional Amount	39		$ 50					45		$ 59
Contracts to sell USD for EUR
Derivative [Line Items]
Notional Amount	107	€ 91						0	€ 0
Contracts to sell USD for INR
Derivative [Line Items]
Notional Amount	26						₨ 2,400	23						₨ 1,900
Contracts to sell EUR for USD
Derivative [Line Items]
Notional Amount	$ 25	€ 21						$ 12	€ 12