Leases - Schedule of Components of Lease Expense and Other Information Related to Leases (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating leases:
Operating lease expense	[1]	$ 798	$ 627	$ 451
Finance leases:
Amortization of leased assets		493	415	348
Interest on lease liabilities		72	89	100
Total finance lease expense		565	504	448
Total lease expense		$ 1,363	$ 1,131	$ 899

[1] Includes short-term leases and variable lease costs, which are immaterial.