Pension Benefits Benefit Obligations and Fair Value of Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan, Pension Plans with Plan Assets in Excess of Accumulated Benefit Obligations [Abstract]
Fair Value of Plan Assets	$ 1,212	$ 1,209
Other Postretirement Benefits Payable	5	3
U.S. Plans
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]
Defined Benefit Plan, PBO	40	50
Defined Benefit Plan, ABO	40	50
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Defined Benefit Plan, Pension Plans with Plan Assets in Excess of Accumulated Benefit Obligations [Abstract]
Defined Benefit Plan, PBO	0	0
Defined Benefit Plan, ABO	0	0
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Defined Benefit Plan, Benefit Obligation	40	50	$ 60
Defined Benefit Plan, Accumulated Benefit Obligation	40	50
Fair Value of Plan Assets	0	0	0
Non-U.S. Plans
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract]
Defined Benefit Plan, PBO	2,030	1,899
Defined Benefit Plan, ABO	1,805	1,713
Defined Benefit Plan, Fair Value of Plan Assets	1,100	1,087
Defined Benefit Plan, Pension Plans with Plan Assets in Excess of Accumulated Benefit Obligations [Abstract]
Defined Benefit Plan, PBO	107	133
Defined Benefit Plan, ABO	74	92
Defined Benefit Plan, Fair Value of Plan Assets	112	122
Defined Benefit Plan, Benefit Obligation	2,137	2,032	2,238
Defined Benefit Plan, Accumulated Benefit Obligation	1,879	1,805
Fair Value of Plan Assets	$ 1,212	$ 1,209	$ 1,264