Consolidated Statement Of Cash Flows (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013
Net Cash Provided by (Used in) Operating Activities [Abstract]
Net income (loss)	$ 550		$ 166
Depreciation, Amortization and Accretion, Net	1,415		1,346
Changes In Fair Value Of Mortgage Servicing Rights	0		102
Provision for Loan Losses Expensed Including Discontinued Operations	200		270
Gain Loss on Sales of Loans Net Including Discontinued Operations	(6)		(37)
Available-for-sale Securities Gross Realized Gain Loss Excluding Otti Including Disc Ops	(84)		(116)
Gains (Losses) on Extinguishment of Debt	46		0
Payments for Origination and Purchases of Loans Held-for-sale	0		(6,221)
Proceeds from Sale of Loans Held-for-sale	59		8,577
Total Charge Recorded Related to ResCap Bankruptcy	(150)		1,350
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	7		(930)
Deferred income taxes	117		(617)
Interest payable	(359)		61
Other assets	150		1,377
Other liabilities	(428)		(1,240)
Other, net	(4)		(675)
Net cash provided by (used in) operating activities	1,513		3,413
Net Cash Provided by (Used in) Investing Activities [Abstract]
Purchases of available-for-sale securities	(2,411)		(9,305)
Proceeds from sales of available-for-sale securities	2,144		3,700
Proceeds from maturities of available-for-sale securities	1,136		3,125
Net (increase) decrease in finance receivables and loans	(736)		1,591
Purchases of operating lease assets	(5,182)		(4,786)
Disposals of operating lease assets	2,993		1,318
Proceeds from Sale of Mortgage Servicing Rights (MSR)	0		911
Proceeds from sale of business units, net	47	[1]	6,933	[1]
Increase (Decrease) in Restricted Cash	2,060		2,319
Other, net	39		(140)
Net cash (used in) provided by investing activities	90		5,666
Net Cash Provided by (Used in) Financing Activities [Abstract]
Net change in short-term borrowings	(2,181)		(2,832)
Net increase in bank deposits	2,741		2,151
Proceeds from issuance of long-term debt	14,956		8,037
Repayments of long-term debt	(16,739)		(17,765)
Dividends paid	(134)		(401)
Net cash provided by (used in) financing activities	(1,357)		(10,810)
Effect of exchange-rate changes on cash and cash equivalents	0		50
Cash and Cash Equivalents, Period Increase (Decrease)	246		(1,681)
Net Cash Provided by (Used in) Discontinued Operations	0	[1],[2]	1,942	[1],[2]
Cash and cash equivalents at beginning of period	5,531		7,513
Cash and cash equivalents at end of period	5,777		7,774
Supplemental Cash Flow Information [Abstract]
Interest	1,730		1,998
Income taxes	$ 0		$ 47

[1] The amount at June 30, 2013, is net of cash and cash equivalents of $1,418 million of business units at the time of disposition.

[2] Cash flows of discontinued operations are reflected within operating, investing, and financing activities in the Condensed Consolidated Statement of Cash Flows. The cash balance of these operations is reported as assets of operations held-for-sale on the Condensed Consolidated Balance Sheet.