Other Income (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
Component of Other Income, Nonoperating [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 158	$ (207)	$ 95	$ (62)
Foreign Currency Transaction Gain (Loss), Realized	(170)	188	(132)	17
Investment Income, Net	12	18	41	38
Unrecognized Tax Benefits Interest Income/(expense)	1	0	(10)	0
Insurance Fee Income	16	16	57	46
Other Nonoperating Income (Expense)	50	66	133	165
Other Income/(Loss) Net	$ 67	$ 81	$ 184	$ 204