Pension Benefit Plans and Other Postretirement Benefits (Details 3)-K - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Pension Benefit Plans
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Accumulated benefit obligation	$ 3,627	$ 3,306	$ 3,627
U.S Pension Plans
Net amount recognized included in the Consolidated Balance Sheets
Current pension liability and nonpension postretirement benefit, included with Other accrued liabilities	(3)	(1)	(3)
Pension benefits and nonpension postretirement benefits	(235)	(280)	(235)
Accumulated other comprehensive loss	1,125	1,147	1,125
Net amount recognized	887	866	887
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss		95	285
Amortization of actuarial loss		(74)	(68)
Settlement			(30)
Total		21	187
Changes in benefit obligations were recognized in accumulated other comprehensive income		21	187
Components of the net pension expense and postretirement benefit cost
Service cost		24	22	$ 27
Interest cost		96	105	106
Expected asset return		(170)	(176)	(183)
Amortization:
Actuarial loss		74	68	110
Net amortization		74	68	110
Net periodic pension cost		24	19	60
Special termination benefits				8
Settlement cost			30
Non-U.S. Pension Plans
Net amount recognized included in the Consolidated Balance Sheets
Pension assets	22	32	22
Current pension liability and nonpension postretirement benefit, included with Other accrued liabilities	(9)	(6)	(9)
Pension benefits and nonpension postretirement benefits	(230)	(224)	(230)
Accumulated other comprehensive loss	349	319	349
Net amount recognized	132	121	132
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss		15	(23)
Amortization of actuarial loss		(15)	(20)
Amortization of prior service credit			2
Gain from curtailment and plan amendment			22
Settlement			(64)
Total			(83)
Translation		(31)	(32)
Changes in benefit obligations were recognized in accumulated other comprehensive income		(31)	(115)
Components of the net pension expense and postretirement benefit cost
Service cost		15	23	33
Interest cost		44	69	72
Expected asset return		(67)	(86)	(91)
Amortization:
Actuarial loss		15	18	28
Prior service credit				(1)
Net amortization		15	18	27
Net periodic pension cost		7	24	41
Settlement cost			3	6
Non-cash settlement charge	35
U.S Postretirement Benefit Plans
Net amount recognized included in the Consolidated Balance Sheets
Current pension liability and nonpension postretirement benefit, included with Other accrued liabilities	(11)	(8)	(11)
Pension benefits and nonpension postretirement benefits	(100)	(89)	(100)
Accumulated other comprehensive loss	(11)	(15)	(11)
Net amount recognized	(122)	(112)	(122)
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss		(10)	7
Amortization of actuarial loss		(2)	(2)
Amortization of prior service credit		8	8
Total		(4)	13
Components of the net pension expense and postretirement benefit cost
Service cost				1
Interest cost		4	5	5
Curtailment gain				(5)
Amortization:
Actuarial loss		2	2	3
Prior service credit		(8)	(8)	(7)
Net amortization		(6)	(6)	(4)
Net periodic pension cost		(2)	(1)	(3)
Non-U.S. Postretirement Benefit Plans
Net amount recognized included in the Consolidated Balance Sheets
Current pension liability and nonpension postretirement benefit, included with Other accrued liabilities	(3)	(2)	(3)
Pension benefits and nonpension postretirement benefits	(78)	(66)	(78)
Accumulated other comprehensive loss	(3)	(3)	(3)
Net amount recognized	$ (84)	(71)	(84)
Changes in plan assets and benefit obligations were recognized in accumulated other comprehensive income
Current year actuarial (gain) loss			(2)
Other adjustments			1
Total			(1)
Components of the net pension expense and postretirement benefit cost
Service cost		1	1	1
Interest cost		3	4	4
Amortization:
Net periodic pension cost		$ 4	$ 5	$ 5