Other Assets and Other Liabilities and Deferred Income (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Other Assets and Other Liabilities [Abstract]
Accrued interest and other non-finance receivables	$ 509	$ 584
Property, Plant and Equipment, Net	222	224
Collateral held for resale, at net realizable value, and other inventory	180	258
Deferred charges - income taxes	171	190
Prepaid Reinsurance Premiums and Other Reinsurance Recoverables	772	743
Operating lease assets	62	76
Investment in non-consolidated affiliates	154	133
Restricted Cash and Cash Equivalents		128
Other	272	188
Other assets	2,444	2,524
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	399	397
Unearned Premiums and Fees	885	857
Interest Payable	590	667
Taxes Payable	233	229
Operating Lease, Liability	64	78
Contract with Customer, Liability	23	62
Other Liabilities	2,015	2,166
Related Party Transactions Income Taxes and Related Interest Payable	137	101
Other Liabilities, Miscellaneous	220	273
Restricted Cash	102	128
Property Subject to Operating Lease [Member]
Other Assets and Other Liabilities [Abstract]
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	$ 4,262	$ 4,815