Pension Plans, Postretirement and Other Employee Benefits (Details 6) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
United States Pension Plans of US Entity, Defined Benefits [Member]
Components of amount recognized in accumulated other comprehensive income
Net Actuarial Loss	$ 248	$ 165
Prior service cost	1	2
Total	249	167
Amounts to be reflected as component of net periodic benefit cost in 2012
Net actuarial loss expected in 2012	6
Prior service credit expected in 2012	0
Total expected amounts that will be amortized from accumulated other comprehensive income in 2012	6
Projected benefit obligation, accumulated benefit obligation and fair value of plan assets for all pension plans with accumulated benefit obligations in excess of plan assets
Projected benefit obligation	414	354
Accumulated benefit obligation	414	352
Fair value of plan assets	239	242
Estimated pension plan benefit payments
2012	19
2013	24
2014	22
2015	20
2016	20
2017-2021	122
Weighted average assumptions used to determine benefit obligations
Discount rate	4.80%	5.60%
Rate of compensation increase	0.00%	0.00%
Weighted average assumptions used to determine net periodic benefit cost
Discount rate	5.60%	6.10%	6.20%
Expected long-term return on plan assets	8.30%	8.30%	8.80%
Foreign [Member]
Components of amount recognized in accumulated other comprehensive income
Net Actuarial Loss	138	120
Prior service cost	9	11
Total	147	131
Amounts to be reflected as component of net periodic benefit cost in 2012
Net actuarial loss expected in 2012	7
Prior service credit expected in 2012	1
Total expected amounts that will be amortized from accumulated other comprehensive income in 2012	8
Projected benefit obligation, accumulated benefit obligation and fair value of plan assets for all pension plans with accumulated benefit obligations in excess of plan assets
Projected benefit obligation	363	332
Accumulated benefit obligation	355	328
Fair value of plan assets	284	257
Estimated pension plan benefit payments
2012	16
2013	15
2014	16
2015	17
2016	18
2017-2021	$ 100
Weighted average assumptions used to determine benefit obligations
Discount rate	4.90%	5.40%
Rate of compensation increase	3.50%	3.50%
Weighted average assumptions used to determine net periodic benefit cost
Discount rate	5.40%	6.00%	6.30%
Expected long-term return on plan assets	6.40%	6.90%	7.30%
Rate of compensation increase	3.50%	3.50%	3.10%