Other Income, Net Of Losses (Schedule of Other Income, Net Of Losses) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Other Nonoperating Income (Expense) [Abstract]
Remarketing Fees	$ 25	$ 28	$ 78	$ 85
Fees and Commissions, Other	23	23	66	66
Income (Loss) from Equity Method Investments	11	5	48	13
Other Income	21	22	59	50
Other income, net of losses	$ 80	$ 78	$ 251	$ 214