Leasing Arrangements - Components of Net Lease Cost (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 5,345	$ 5,248	$ 5,016
Amortization of right-of-use assets	224	259	309
Interest on lease liabilities	36	34	39
Short-term lease cost	23	21	22
Variable lease cost	294	307	295
Sublease income	(199)	(193)	(167)
Total net lease cost	$ 5,723	$ 5,676	$ 5,514