Financial Instruments and Fair Value Measurements - Foreign Currency Contracts Activity (Detail) - Forwards [Member] - Net Investment Hedges [Member] - Designated As Hedging Instrument [Member]	9 Months Ended
	Sep. 30, 2024 USD ($) Derivative	Sep. 30, 2023 USD ($) Derivative
Derivative [Line Items]
Notional amounts at January 1	$ 948,000,000	$ 974,000,000
New contracts	444,000,000	668,000,000
Matured, expired or settled contracts	(798,000,000)	(691,000,000)
Notional amounts at September 30	594,000,000	951,000,000
CAD
Derivative [Line Items]
Notional amounts at January 1	516,000,000	534,000,000
New contracts	47,000,000	350,000,000
Matured, expired or settled contracts	(399,000,000)	(363,000,000)
Notional amounts at September 30	$ 164,000,000	$ 521,000,000
Weighted average forward rate at September 30	1.36	1.32
Active contracts at September 30 | Derivative	2	6
GBP
Derivative [Line Items]
Notional amounts at January 1	$ 432,000,000	$ 440,000,000
New contracts	397,000,000	218,000,000
Matured, expired or settled contracts	(399,000,000)	(228,000,000)
Notional amounts at September 30	$ 430,000,000	$ 430,000,000
Weighted average forward rate at September 30	1.25	1.25
Active contracts at September 30 | Derivative	4	4
CNH
Derivative [Line Items]
Notional amounts at January 1		$ 0
New contracts		100,000,000
Matured, expired or settled contracts		(100,000,000)
Notional amounts at September 30		$ 0
Weighted average forward rate at September 30		0
Active contracts at September 30 | Derivative		0