Consolidated Balance Sheet (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Assets [Abstract]
Cash and Due from Banks	$ 1,348	$ 1,315
Interest-bearing Deposits in Banks and Other Financial Institutions	4,228	4,216
Total cash and cash equivalents	5,576	5,531
Investment securities	16,137	17,083
Loans held-for-sale, net	2,003	35
Finance receivables and loans, net [Abstract]
Finance receivables and loans, net	99,948	100,328
Allowance for loan losses	(977)	(1,208)
Total finance receivables and loans, net	98,971	99,120
Investment in operating leases, net	19,510	17,680
Premiums receivable and other insurance assets	1,695	1,613
Other Assets	7,302	9,589
Assets of operations held-for-sale	634	516
Total assets	151,828	151,167
Liabilities and Equity [Abstract]
Noninterest-bearing deposit liabilities	64	60
Interest-bearing deposit liabilities	58,158	53,290
Total deposit liabilities	58,222	53,350
Short-term borrowings	7,062	8,545
Long-term debt	66,558	69,465
Interest payable	477	888
Unearned insurance premiums and service revenue	2,375	2,314
Accrued expenses and other liabilities	1,735	2,397
Total liabilities	136,429	136,959
Equity [Abstract]
Common stock and paid-in capital	21,038	20,939
Preferred Stock, Value, Outstanding	1,255	1,255
Accumulated deficit	(6,828)	(7,710)
Accumulated other comprehensive income	(66)	(276)
Total equity	15,399	14,208
Total liabilities and equity	151,828	151,167
Variable Interest Entity, Primary Beneficiary [Member]
Finance receivables and loans, net [Abstract]
Finance receivables and loans, net	30,081	32,265
Allowance for loan losses	(179)	(174)
Total finance receivables and loans, net	29,902	32,091
Investment in operating leases, net	5,595	4,620
Other Assets	2,010	3,436
Total assets	37,507	40,147
Liabilities and Equity [Abstract]
Short-term borrowings	0	250
Long-term debt	24,343	24,147
Accrued expenses and other liabilities	173	43
Total liabilities	$ 24,516	$ 24,440