Financial Instruments and Fair Value Measurements - Summary of Activity in Interest Rate Swaps (Detail) - Interest Rate Swaps [Member] - Cash Flow Hedges [Member] - Designated As Hedging Instrument [Member] - USD ($)	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Derivative [Line Items]
Notional amounts at January 1	$ 597,000,000	$ 165,000,000
New contracts	2,334,000,000	1,004,000,000
Matured, expired or settled contracts	(2,759,000,000)	(722,000,000)
Notional amounts at June 30	172,000,000	447,000,000
EUR
Derivative [Line Items]
Notional amounts at January 1	447,000,000	165,000,000
New contracts	584,000,000	1,004,000,000
Matured, expired or settled contracts	(859,000,000)	(722,000,000)
Notional amounts at June 30	172,000,000	$ 447,000,000
USD
Derivative [Line Items]
Notional amounts at January 1	150,000,000
New contracts	1,750,000,000
Matured, expired or settled contracts	(1,900,000,000)
Notional amounts at June 30	$ 0