Leases - Schedule of undiscounted cash flows to the finance lease liabilities and operating lease liabilities (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Operating Lease Liabilities, Payments Due [Abstract]
Year 1	$ 452	$ 436
Year 2	394	380
Year 3	340	320
Year 4	288	269
Year 5	228	222
Thereafter	1,540	1,122
Total minimum lease payments	3,242	2,749
Less: amount of lease payments representing interest	(976)	(633)
Present value of future minimum lease payments	2,266	2,116
Less: current obligations under leases	(363)	(364)
Long-term lease obligations	1,903	1,752
Finance Lease Liabilities, Payments, Due [Abstract]
Year 1	193	156
Year 2	155	164
Year 3	115	125
Year 4	60	89
Year 5	45	39
Thereafter	356	359
Total minimum lease payments	924	932
Less: amount of lease payments representing interest	(217)	(222)
Present value of future minimum lease payments	707	710
Less: current obligations under leases	(166)	(131)
Long-term lease obligations	$ 541	$ 579