Financial Instruments and Fair Value Measurements - Summary of Undesignated Foreign Currency Forwards Activity (Detail) - Forwards [Member] - Undesignated Derivatives [Member] $ in Millions	6 Months Ended
	Jun. 30, 2025 USD ($) Derivative	Jun. 30, 2024 USD ($) Derivative
Derivative [Line Items]
Notional amounts at January 1	$ 1,451	$ 1,619
New contracts	370	333
Matured, expired or settled contracts	(182)	(347)
Notional amounts at June 30	1,639	1,605
CAD
Derivative [Line Items]
Notional amounts at January 1	254	213
New contracts	57	102
Matured, expired or settled contracts	(32)	(17)
Notional amounts at June 30	$ 279	$ 298
Weighted average forward rate at June 30	0.0132	0.0131
Active contracts at June 30 | Derivative	107	113
EUR
Derivative [Line Items]
Notional amounts at January 1	$ 526	$ 524
New contracts	157	98
Matured, expired or settled contracts	(60)	(56)
Notional amounts at June 30	$ 623	$ 566
Weighted average forward rate at June 30	0.0116	0.0115
Active contracts at June 30 | Derivative	122	84
GBP
Derivative [Line Items]
Notional amounts at January 1	$ 386	$ 442
New contracts	85	67
Matured, expired or settled contracts	(41)	(91)
Notional amounts at June 30	$ 430	$ 418
Weighted average forward rate at June 30	0.0129	0.0126
Active contracts at June 30 | Derivative	103	88
JPY
Derivative [Line Items]
Notional amounts at January 1	$ 312	$ 384
New contracts	53	59
Matured, expired or settled contracts	(38)	(127)
Notional amounts at June 30	$ 327	$ 316
Weighted average forward rate at June 30	1.2232	1.1885
Active contracts at June 30 | Derivative	91	79
Other
Derivative [Line Items]
Notional amounts at January 1		$ 56
Notional amounts at January 1	$ (27)
New contracts	18	7
Matured, expired or settled contracts	(11)	(56)
Notional amounts at June 30		$ 7
Notional amounts at June 30	$ (20)