Pensions, Other Post-employment Benefits and Employee Benefit Plans Benefit Obligations and Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Automotive Segment [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components	$ 1
Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year	6.97%	7.25%
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate	5.00%	5.00%
Defined Benefit Plan, Year that Rate Reaches Ultimate Trend Rate	2022	2022
Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation	$ 28
Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components	(1)
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation	(24)
United States Plans | Automotive Segment [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months	84
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation	0	$ 0
Defined benefit plan, plans with projected benefit obligations in excess of plan assets, aggregate projected benefit obligation	$ 0	$ 0
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	3.85%	4.55%
Defined benefit plan, assumption used calculated projected benefit obligation, discount rate	4.15%	3.85%
Defined Benefit Plan, Benefit Obligation	$ 1,221	$ 1,291	$ 1,184
Service cost	3	3
Interest cost	48	52
Employee contributions	0	0
Benefits paid	(89)	(96)
Medicare subsidies received	0	0
Plan amendments	0	0
Curtailments	0	0
Settlements	0	(3)
Actuarial losses (gains) and changes in actuarial assumptions	(32)	151
Net transfers in (out)	0	0
Currency translation	0	0
Defined Benefit Plan, Fair Value of Plan Assets	870	912	909
Actual return on plan assets	(27)	43
Company contributions	74	56
Expenses	0	0
Currency translation	0	0
Funded status of the plan	(351)	(379)
Net liability recognized	(351)	(379)
Actuarial losses included in Accumulated other comprehensive income	452	409
Prior service cost (credit)	0	0
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax	$ 452	$ 409
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets	6.55%	6.95%
Defined benefit plan, plans with projected benefit obligations in excess of plan assets, fair value of plan assets	$ 0	$ 0
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Accumulated Benefit Obligation	0	0
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets	0	0
Defined Benefit Plan, Expected Future Benefit Payments, Year Two	85
Defined Benefit Plan, Expected Future Benefit Payments, Year Three	88
Defined Benefit Plan, Expected Future Benefit Payments, Year Four	88
Defined Benefit Plan, Expected Future Benefit Payments, Year Five	87
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter	399
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	19	16	16
Interest cost	66	76	69
Pension Benefits | Railcar and Food Packaging [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Benefit Obligation	191	203	176
Service cost	1	1
Interest cost	8	8
Benefits paid	(10)	(10)
Curtailments	(1)	0
Actuarial losses (gains) and changes in actuarial assumptions	(9)	29
Currency translation	(1)	(1)
Defined Benefit Plan, Fair Value of Plan Assets	133	144	140
Actual return on plan assets	(3)	9
Company contributions	2	6
Currency translation	0	(1)
Funded status of the plan	(58)	(59)
Net liability recognized	(58)	(59)
Actuarial losses included in Accumulated other comprehensive income	(58)	(59)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax	(58)	(59)
Non-U.S. Plans | Automotive Segment [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months	24
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation	0	0
Defined benefit plan, plans with projected benefit obligations in excess of plan assets, aggregate projected benefit obligation	$ 0	$ 0
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	1.77%	3.49%
Defined benefit plan, assumption used calculated projected benefit obligation, discount rate	2.72%	1.77%
Defined Benefit Plan, Benefit Obligation	$ 487	$ 575	450
Service cost	16	12
Interest cost	10	16
Employee contributions	0	0
Benefits paid	(24)	(28)
Medicare subsidies received	0	0
Plan amendments	0	0
Curtailments	(3)	(1)
Settlements	0	0
Actuarial losses (gains) and changes in actuarial assumptions	(75)	112
Net transfers in (out)	45	73
Currency translation	(57)	(59)
Defined Benefit Plan, Fair Value of Plan Assets	57	54	55
Actual return on plan assets	2	3
Company contributions	30	30
Expenses	0	0
Currency translation	(5)	(6)
Funded status of the plan	(430)	(521)
Net liability recognized	(430)	(521)
Actuarial losses included in Accumulated other comprehensive income	72	151
Prior service cost (credit)	(1)	(2)
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax	$ 73	$ 153
Defined benefit plan, assumption used calculated projected benefit obligation, rate of compensation increase	3.19%	3.16%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets	3.52%	4.18%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase	3.16%	3.13%
Defined benefit plan, plans with projected benefit obligations in excess of plan assets, fair value of plan assets	$ 0	$ 0
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Accumulated Benefit Obligation	0	0
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets	0	0
Defined Benefit Plan, Expected Future Benefit Payments, Year Two	24
Defined Benefit Plan, Expected Future Benefit Payments, Year Three	23
Defined Benefit Plan, Expected Future Benefit Payments, Year Four	24
Defined Benefit Plan, Expected Future Benefit Payments, Year Five	25
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter	135
Other Post-Employment Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	0	0	0
Interest cost	13	15	11
Other Post-Employment Benefits | Automotive Segment [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months	24
Defined benefit plan, plans with projected benefit obligations in excess of plan assets, aggregate projected benefit obligation	$ 0	$ 0
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	3.84%	4.45%
Defined benefit plan, assumption used calculated projected benefit obligation, discount rate	4.18%	3.84%
Defined Benefit Plan, Benefit Obligation	$ 323	$ 368	335
Service cost	0	0
Interest cost	13	15
Employee contributions	0	0
Benefits paid	(23)	(26)
Medicare subsidies received	3	1
Plan amendments	0	8
Curtailments	0	0
Settlements	0	0
Actuarial losses (gains) and changes in actuarial assumptions	(35)	36
Net transfers in (out)	0	0
Currency translation	(3)	(1)
Defined Benefit Plan, Fair Value of Plan Assets	0	0	$ 0
Actual return on plan assets	0	0
Company contributions	20	25
Expenses	0	0
Currency translation	0	0
Funded status of the plan	(323)	(368)
Net liability recognized	(323)	(368)
Actuarial losses included in Accumulated other comprehensive income	56	95
Prior service cost (credit)	10	14
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax	46	81
Defined benefit plan, plans with projected benefit obligations in excess of plan assets, fair value of plan assets	0	$ 0
Defined Benefit Plan, Expected Future Benefit Payments, Year Two	24
Defined Benefit Plan, Expected Future Benefit Payments, Year Three	24
Defined Benefit Plan, Expected Future Benefit Payments, Year Four	24
Defined Benefit Plan, Expected Future Benefit Payments, Year Five	24
Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter	$ 110