Pensions Benefit Plans and Other Postretirement Benefits (Details 2)-K - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Pension Benefit Plans
Defined Benefit Plan Disclosure
Percentage of minimum target plan asset allocations	10.00%
U.S Pension Plans
Defined Benefit Plan Disclosure
Plan assets at fair value	$ 1,909	$ 2,190	$ 2,273
Projected benefit and postretirement benefit obligations	2,190	2,428	2,275
Plan assets less than projected benefit obligations	(281)	(238)
Items not yet recognized in pension expense and net postretirement benefit cost:
Actuarial loss	1,145	1,123
Defined Benefit Plan, Accumulated Other Comprehensive Income Actuarial Loss, Net of Tax	1,145	1,123
Prior service cost (credit)	2	2
Total	1,147	1,125
Net amount recognized	866	887
Non-U.S. Pension Plans
Defined Benefit Plan Disclosure
Plan assets at fair value	1,012	1,094	1,578
Projected benefit and postretirement benefit obligations	1,210	1,311	1,866
Plan assets less than projected benefit obligations	(198)	(217)
Items not yet recognized in pension expense and net postretirement benefit cost:
Actuarial loss	320	349
Defined Benefit Plan, Accumulated Other Comprehensive Income Actuarial Loss, Net of Tax	320	349
Prior service cost (credit)	(1)
Total	319	349
Net amount recognized	121	132
U.S Postretirement Benefit Plans
Defined Benefit Plan Disclosure
Projected benefit and postretirement benefit obligations	97	111	111
Items not yet recognized in pension expense and net postretirement benefit cost:
Actuarial loss	23	35
Defined Benefit Plan, Accumulated Other Comprehensive Income Actuarial Loss, Net of Tax	23	35
Prior service cost (credit)	(38)	(46)
Total	(15)	(11)
Net amount recognized	(112)	(122)
Non-U.S. Postretirement Benefit Plans
Defined Benefit Plan Disclosure
Projected benefit and postretirement benefit obligations	68	81	$ 90
Items not yet recognized in pension expense and net postretirement benefit cost:
Actuarial loss	(3)	(3)
Defined Benefit Plan, Accumulated Other Comprehensive Income Actuarial Loss, Net of Tax	(3)	(3)
Total	(3)	(3)
Net amount recognized	$ (71)	$ (84)