Pension Benefit Plans - Changes in Plan Assets and Benefit Obligations Recognized in AOCI (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
U.S Pension Plans
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss	$ 66	$ 95
Amortization of actuarial loss	(67)	(74)
Settlement	(98)
Total	(99)	21
Changes in benefit obligations were recognized in accumulated other comprehensive income	(99)	21
Non-U.S. Pension Plans
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss	87	15
Amortization of actuarial loss	(12)	(15)
Total	75
Translation	(43)	(31)
Changes in benefit obligations were recognized in accumulated other comprehensive income	32	(31)
U.S Postretirement Benefit Plans
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss	(1)	(10)
Amortization of actuarial loss	(1)	(2)
Amortization of prior service credit	8	8
Total	6	$ (4)
Non-U.S. Postretirement Benefit Plans
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss	9
Total	$ 9