Leases - Summary of Components of Lease Expense (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Finance lease cost:
Net lease cost	$ 131	$ 118	$ 121
Other Operating Income (Expense)
Lessee Lease Description [Line Items]
Operating lease cost	93	86	89
Finance lease cost:
Variable lease cost	34	31	32
Short-term lease cost	3	2	1
Depreciation And Amortization
Finance lease cost:
Amortization of lease assets	2	2	2
Information And Other
Finance lease cost:
Sublease income	$ (1)	$ (3)	$ (3)