Pension Plans, Postretirement and Other Employee Benefits (Details 1) (USD $) In Millions, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	$ 529
United States Pension Plans of US Entity, Defined Benefits [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	26	53
United States Pension Plans of US Entity, Defined Benefits [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	213	189
United States Pension Plans of US Entity, Defined Benefits [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. large cap [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	24	33
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. large cap [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	102	96
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. large cap [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. mid cap [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. mid cap [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. mid cap [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. Small Cap [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. Small Cap [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	18	18
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. Small Cap [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. large cap [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. large cap [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	18
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. large cap [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. mid cap [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. mid cap [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	17	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. mid cap [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. small cap [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. small cap [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. small cap [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Emerging markets [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Emerging markets [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	5	6
United States Pension Plans of US Entity, Defined Benefits [Member] | Emerging markets [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. treasuries/government bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		20
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. treasuries/government bonds [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. treasuries/government bonds [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. corporate bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. corporate bonds [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	4	20
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. corporate bonds [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. other fixed income [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. other fixed income [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	67	4
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. other fixed income [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. mortgage backed securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. mortgage backed securities [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		24
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. mortgage backed securities [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. asset backed securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. asset backed securities [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		1
United States Pension Plans of US Entity, Defined Benefits [Member] | U.S. asset backed securities [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. treasuries/government bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. treasuries/government bonds [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	1
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. treasuries/government bonds [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. corporate bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. corporate bonds [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	1
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. corporate bonds [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S mortgage backed securities | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S mortgage backed securities | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S mortgage backed securities | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. municipal obligations | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. municipal obligations | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. municipal obligations | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. asset backed securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. asset backed securities [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. asset backed securities [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. other fixed income [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. other fixed income [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. other fixed income [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. real estate [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. real estate [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Non-U.S. real estate [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Insurance contracts [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Insurance contracts [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Insurance contracts [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Cash held in bank accounts [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	2	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Cash held in bank accounts [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
United States Pension Plans of US Entity, Defined Benefits [Member] | Cash held in bank accounts [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	111	142
Foreign [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	173	139
Foreign [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	6	6
Foreign [Member] | U.S. large cap [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	23	25
Foreign [Member] | U.S. large cap [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	9	7
Foreign [Member] | U.S. large cap [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | U.S. mid cap [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | U.S. mid cap [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	2	1
Foreign [Member] | U.S. mid cap [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | U.S. Small Cap [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | U.S. Small Cap [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	1	1
Foreign [Member] | U.S. Small Cap [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Non-U.S. large cap [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	26	36
Foreign [Member] | Non-U.S. large cap [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	63	65
Foreign [Member] | Non-U.S. large cap [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Non-U.S. mid cap [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	3	0
Foreign [Member] | Non-U.S. mid cap [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	19	19
Foreign [Member] | Non-U.S. mid cap [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Non-U.S. small cap [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Non-U.S. small cap [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	5	8
Foreign [Member] | Non-U.S. small cap [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Emerging markets [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	1	1
Foreign [Member] | Emerging markets [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Emerging markets [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | U.S. treasuries/government bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
Foreign [Member] | U.S. treasuries/government bonds [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
Foreign [Member] | U.S. treasuries/government bonds [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
Foreign [Member] | U.S. corporate bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | U.S. corporate bonds [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | U.S. corporate bonds [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | U.S. other fixed income [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | U.S. other fixed income [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | U.S. other fixed income [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | U.S. mortgage backed securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
Foreign [Member] | U.S. mortgage backed securities [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
Foreign [Member] | U.S. mortgage backed securities [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
Foreign [Member] | U.S. asset backed securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
Foreign [Member] | U.S. asset backed securities [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
Foreign [Member] | U.S. asset backed securities [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets		0
Foreign [Member] | Non-U.S. treasuries/government bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	37	59
Foreign [Member] | Non-U.S. treasuries/government bonds [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	35	5
Foreign [Member] | Non-U.S. treasuries/government bonds [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Non-U.S. corporate bonds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	17	15
Foreign [Member] | Non-U.S. corporate bonds [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	20	21
Foreign [Member] | Non-U.S. corporate bonds [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Non-U.S mortgage backed securities | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
Foreign [Member] | Non-U.S mortgage backed securities | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	3
Foreign [Member] | Non-U.S mortgage backed securities | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
Foreign [Member] | Non-U.S. municipal obligations | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	1
Foreign [Member] | Non-U.S. municipal obligations | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
Foreign [Member] | Non-U.S. municipal obligations | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
Foreign [Member] | Non-U.S. asset backed securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
Foreign [Member] | Non-U.S. asset backed securities [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	3
Foreign [Member] | Non-U.S. asset backed securities [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0
Foreign [Member] | Non-U.S. other fixed income [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Non-U.S. other fixed income [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	1	0
Foreign [Member] | Non-U.S. other fixed income [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	6
Foreign [Member] | Non-U.S. real estate [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Non-U.S. real estate [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	5	5
Foreign [Member] | Non-U.S. real estate [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Insurance contracts [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Insurance contracts [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	7	7
Foreign [Member] | Insurance contracts [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	6	0
Foreign [Member] | Cash held in bank accounts [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	3	6
Foreign [Member] | Cash held in bank accounts [Member] | Level 2 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Foreign [Member] | Cash held in bank accounts [Member] | Level 3 [Member]
Fair Value of Plan Assets
Defined Benefit Plan, Fair Value of Plan Assets	$ 0	$ 0