Pensions Benefit Plans and Other Postretirement Benefits (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
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	2,190	$ 2,273	$ 2,175
Projected benefit and postretirement benefit obligations	2,428	2,275	2,647
Plan assets less than projected benefit obligations	(238)	(2)
Items not yet recognized in pension expense and net postretirement benefit cost:
Actuarial loss	1,125	935
Prior service cost (credit)	(2)	2
Total	1,123	937
Net amount recognized	885	935
Non-U.S. Pension Plans
Defined Benefit Plan Disclosure
Plan assets at fair value	1,094	1,578	1,527
Projected benefit and postretirement benefit obligations	1,311	1,866	1,911
Plan assets less than projected benefit obligations	(217)	(288)
Items not yet recognized in pension expense and net postretirement benefit cost:
Actuarial loss	347	488
Prior service cost (credit)		(25)
Total	347	463
Net amount recognized	130	175
U.S Postretirement Benefit Plans
Defined Benefit Plan Disclosure
Projected benefit and postretirement benefit obligations	111	111	181
Items not yet recognized in pension expense and net postretirement benefit cost:
Actuarial loss	35	30
Prior service cost (credit)	(46)	(54)
Total	(11)	(24)
Net amount recognized	(122)	(135)
Non-U.S. Postretirement Benefit Plans
Defined Benefit Plan Disclosure
Projected benefit and postretirement benefit obligations	81	90	102
Items not yet recognized in pension expense and net postretirement benefit cost:
Actuarial loss	(3)	(2)
Total	(3)	(2)
Net amount recognized	(84)	$ (92)

This element represents the after tax amount of actuarial loss not yet recognized in net periodic plan cost.

No definition available.

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- Definition

The total of net gain (loss), prior service cost (credit), and transition assets (obligations), as well as minimum pension liability if still remaining, included in accumulated other comprehensive income associated with a defined benefit pension or other postretirement plan(s) because they have yet to be recognized as components of net periodic benefit cost.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount after tax of cost (credit) due to benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation, which has not yet been recognized as a component of net periodic benefit cost.

+ References

No definition available.

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- Definition

The aggregate net amount recognized in the balance sheet associated with the defined benefit plan(s). Will normally be the same as the Defined Benefit Plan, Funded Status of Plan, Total.

+ References

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- Definition

1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

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-Glossary Projected Benefit Obligation

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- Definition

Assets, usually stocks, bonds, and other investments, that have been segregated and restricted (usually in a trust) to provide benefits, at their fair value as of the measurement date. Plan assets include amounts contributed by the employer (and by employees for a contributory plan) and amounts earned from investing the contributions, less benefits paid. If a plan has liabilities other than for benefits, those non-benefit obligations may be considered as reductions of plan assets.

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- Definition

The funded status is measured as the difference between the fair value of plan assets and the benefit obligation. Will normally be the same as the net Defined Benefit Plan, Amounts Recognized in Balance Sheet, Total.

+ References

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- Definition

Target allocation minimum percentage of investments of this type to total plan assets presented on a weighted average basis.

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