Income Taxes (Details 2) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Undistributed profits of non-U.S. subsidiaries, which are considered indefinitely reinvested	$ 2,000
Cash held by non-U.S. subsidiaries	1,795	$ 1,016
Reconciliation of statutory rate to effective income tax rate
Taxes computed at U.S. statutory rates	$ 196	$ 217	$ 264
U.S. statutory tax rate (as a percent)	35.00%	35.00%	35.00%
(Decreases) increases in taxes resulting from:
State Income Tax, net of Federal Tax	$ 2	$ 3	$ 0
State Income Tax, net of Federal Tax (as a percent)	0.40%	0.50%	0.00%
Subsidiaries' results subject to tax rates other than U.S. statutory rates	$ (36)	$ (25)	$ (55)
Subsidiaries' results subject to tax rates other than U.S. statutory rates (as a percent)	(6.50%)	(4.00%)	(7.20%)
Income from non-U.S. subsidiaries taxed at U.S. statutory rates, net of foreign tax credits	$ 2	$ (39)	$ 0
Income from non-U.S. subsidiaries taxed at U.S. statutory rates, net of foreign tax credits (as a percent)	0.30%	(6.30%)	0.00%
Foreign currency translation taxed at non-U.S. subsidiaries	$ 13	$ 6	$ 2
Foreign currency translation taxed at non-U.S subsidiaries (as a percent)	2.30%	0.90%	0.20%
Other, net	$ (6)	$ (4)	$ (2)
Other, net (as a percent)	(1.10%)	(0.60%)	(0.20%)
Provision for income taxes	$ 171	$ 158	$ 209
Provision for income taxes, Effective Income Tax Rate (as a percent)	30.40%	25.50%	27.80%
Non-U.S.
Cash held by non-U.S. subsidiaries	$ 150