Other Assets (Schedule Of Other Assets) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Other Assets [Abstract]
Property, Plant and Equipment, Gross	$ 754	$ 709
Accumulated depreciation	(529)	(474)
Property, Plant and Equipment, Net	225	235
Deferred Tax Assets, State Taxes	1,788	2,040
Restricted cash collections for securitization trusts	1,724	3,664
Other accounts receivable	369	290
Cash reserve deposits held for securitization trusts	296	402
Nonmarketable equity securities	275	337
Unamortized Debt Issuance Expense	254	312
Cash and securities collateral placed with counterparties	243	328
Derivative Asset, Fair Value, Gross Asset	235	362
Restricted cash and cash equivalents	123	205
Other Assets, Miscellaneous	1,220	1,414
Other Assets	$ 6,752	$ 9,589