Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Components of Profit before income taxes
U.S.									$ 249	$ 230	$ 207
Non-U.S.									312	389	546
Profit before income taxes	$ 122	$ 146	$ 148	$ 145	$ 129	$ 153	$ 150	$ 187	561	619	753
Current income tax provision (benefit)
U.S.									(18)	(21)	14
Non-U.S.									111	109	138
State (U.S.)									0	2	(1)
Current income tax provision (benefit)									93	90	151
Deferred income tax provision (benefit)
U.S.									90	45	44
Non-U.S.									(15)	21	13
State (U.S.)									3	2	1
Deferred income tax provision (benefit)									78	68	58
Total Provision for income taxes									$ 171	$ 158	$ 209