Leases - Operating Lease Income and Related Depreciation Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Other income	Other income	Other income
Operating lease income	$ 3,654	$ 4,914	$ 5,539
Depreciation expense	$ 2,475	$ 3,380	$ 4,257