Employee Benefit Plans (Details 1) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
United States Pension Plans of US Entity, Defined Benefit [Member]
Accumulated benefit obligation
Projected benefit obligations	$ 1,164	$ 844
Accumulated benefit obligations	1,045	770
Fair value of plan assets	131	13
Foreign Pension Plans, Defined Benefit [Member]
Accumulated benefit obligation
Projected benefit obligations	708	592
Accumulated benefit obligations	644	537
Fair value of plan assets	$ 121	$ 93

If aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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If aggregate disclosures are presented, the aggregate fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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- Definition

If aggregate disclosures are presented, the aggregate projected benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

+ References+ Details