Other Income, Net Of Losses (Schedule of Other Income, Net Of Losses) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Other Nonoperating Income (Expense) [Abstract]
Remarketing Fees	$ 28	$ 20	$ 85	$ 59
Fees and Commissions, Other	23	25	66	71
Unrealized Gain (Loss) on Derivatives	(4)	21	(19)	31
Fees and Commissions, Mortgage Banking	0	0	0	81
Other Income	31	27	82	82
Other income, net of losses	$ 78	$ 93	$ 214	$ 324