Fair Value Disclosures (Details 2) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Carrying Amount
Assets
Finance receivables-net (excluding finance leases)	$ 14,077	$ 13,837
Wholesale inventory receivables-net (excluding finance leases)	714	773
Carrying Amount | Machinery, Energy & Transportation
Liabilities
Long-term debt (including amounts due within one year)	9,763	9,791
Carrying Amount | Financial Products
Liabilities
Long-term debt (including amounts due within one year)	23,320	22,594
Carrying amount of assets excluded from measurement at fair value
Assets
Excluded items: Finance leases and failed sale leasebacks, Carrying Value	7,895	8,083
Level 2 | Fair Value | Machinery, Energy & Transportation
Liabilities
Long-term debt (including amounts due within one year)	11,127	12,420
Level 2 | Fair Value | Financial Products
Liabilities
Long-term debt (including amounts due within one year)	23,010	22,797
Level 3 | Fair Value
Assets
Finance receivables-net (excluding finance leases)	13,848	13,836
Wholesale inventory receivables-net (excluding finance leases)	$ 690	$ 753