Other Income, Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Other Income and Expenses [Abstract]
Gains/(Losses) on derivatives	$ 186	$ 92	$ 545	$ 37
Currency revaluation gains/(losses)	(157)	(106)	(585)	(117)
Interest and investment income	19	30	71	75
Insurance Fee Income	21	25	68	63
Other	40	37	125	121
Total other income, net	$ 109	$ 78	$ 224	$ 179