Fair Value Measurements (Details 3) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Fair Value, Level 2
Financial Instruments, Financial Liabilities, Balance Sheet Groupings
Long-term debt	$ 21,066	$ 20,686
Fair Value, Level 3
Financial Instruments, Financial Assets, Balance Sheet Groupings
Finance receivables, net (excluding finance leases)	19,181	18,448
Carrying Amount
Financial Instruments, Financial Assets, Balance Sheet Groupings
Finance receivables, net (excluding finance leases)	19,760	19,085
Financial Instruments, Financial Liabilities, Balance Sheet Groupings
Long-term debt	21,602	21,418
Carrying amount of assets excluded from measurement at fair value
Financial Instruments, Financial Liabilities, Balance Sheet Groupings
Finance leases and failed sale leasebacks, Carrying Value	$ 7,230	$ 7,360