Consolidated Balance Sheet (USD $) In Millions, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets [Abstract]
Cash and Due from Banks	$ 1,342	$ 1,315
Interest-bearing Deposits in Banks and Other Financial Institutions	4,551	4,216
Total cash and cash equivalents	5,893	5,531
Investment securities	16,327	17,083
Loans held-for-sale, net	43	35
Finance receivables and loans, net [Abstract]
Finance receivables and loans, net	99,624	100,328
Allowance for loan losses	(1,192)	(1,208)
Total finance receivables and loans, net	98,432	99,120
Investment in operating leases, net	18,187	17,680
Premiums receivable and other insurance assets	1,639	1,613
Other Assets	7,390	9,589
Assets of operations held-for-sale	541	516
Total assets	148,452	151,167
Liabilities and Equity [Abstract]
Noninterest-bearing deposit liabilities	71	60
Interest-bearing deposit liabilities	55,296	53,290
Total deposit liabilities	55,367	53,350
Short-term borrowings	5,163	8,545
Long-term debt	68,295	69,465
Interest payable	893	888
Unearned insurance premiums and service revenue	2,312	2,314
Accrued expenses and other liabilities	1,963	2,397
Total liabilities	133,993	136,959
Equity [Abstract]
Common stock and paid-in-capital	20,939	20,939
Preferred stock	1,255	1,255
Retained Earnings (Accumulated Deficit)	(7,551)	(7,710)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(184)	(276)
Stockholders' Equity Attributable to Parent	14,459	14,208
Total liabilities and equity	148,452	151,167
Variable Interest Entity, Primary Beneficiary [Member]
Finance receivables and loans, net [Abstract]
Finance receivables and loans, net	31,849	32,265
Allowance for loan losses	(192)	(174)
Total finance receivables and loans, net	31,657	32,091
Investment in operating leases, net	7,036	4,620
Other Assets	1,857	3,436
Total assets	40,550	40,147
Liabilities and Equity [Abstract]
Short-term borrowings	250	250
Long-term debt	25,160	24,147
Accrued expenses and other liabilities	39	43
Total liabilities	$ 25,449	$ 24,440