Consolidated Balance Sheet - USD ($) $ in Millions	Jun. 30, 2015	Dec. 31, 2014
Assets [Abstract]
Cash and Due from Banks	$ 1,739	$ 1,348
Interest-bearing Deposits in Banks and Other Financial Institutions	4,119	4,228
Total cash and cash equivalents	5,858	5,576
Investment securities	19,142	16,137
Loans held-for-sale, net	1,438	2,003
Finance receivables and loans, net [Abstract]
Finance receivables and loans, net	105,173	99,948
Allowance for loan losses	(974)	(977)
Total finance receivables and loans, net	104,199	98,971
Investment in operating leases, net	17,950	19,510
Premiums receivable and other insurance assets	1,759	1,695
Other Assets	6,126	7,302
Assets of operations held-for-sale	0	634
Total assets	156,472	151,828
Liabilities and Equity [Abstract]
Noninterest-bearing deposit liabilities	89	64
Interest-bearing deposit liabilities	61,858	58,158
Total deposit liabilities	61,947	58,222
Short-term borrowings	10,013	7,062
Long-term debt	65,852	66,558
Interest payable	418	477
Unearned insurance premiums and service revenue	2,417	2,375
Accrued expenses and other liabilities	1,530	1,735
Total liabilities	142,177	136,429
Equity [Abstract]
Common stock and paid-in-capital	21,069	21,038
Preferred stock	813	1,255
Retained Earnings (Accumulated Deficit)	(7,388)	(6,828)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(183)	(66)
Treasury Stock, Value	(16)	0
Stockholders' Equity Attributable to Parent	14,295	15,399
Total liabilities and equity	156,472	151,828
Variable Interest Entity, Primary Beneficiary [Member]
Finance receivables and loans, net [Abstract]
Finance receivables and loans, net	27,353	30,081
Allowance for loan losses	(177)	(179)
Total finance receivables and loans, net	27,176	29,902
Investment in operating leases, net	6,650	5,595
Other Assets	1,332	2,010
Total assets	35,158	37,507
Liabilities and Equity [Abstract]
Long-term debt	22,775	24,343
Accrued expenses and other liabilities	29	173
Total liabilities	$ 22,804	$ 24,516