Other Income, Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Other Income and Expenses [Abstract]
Gains/(Losses) on derivatives	$ 160	$ (170)	$ 359	$ (55)
Currency revaluation gains/(losses)	(209)	140	(428)	(11)
Interest and investment income	24	20	52	45
Insurance Fee Income	26	22	47	38
Other	51	35	85	84
Total other income, net	$ 52	$ 47	$ 115	$ 101