Employee Benefits (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended					12 Months Ended		12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2011 Accumulated Defined Benefit Plans Adjustment [Member]	Dec. 31, 2010 Accumulated Defined Benefit Plans Adjustment [Member]	Dec. 31, 2011 U.S. Pension Plan [Member]	Dec. 31, 2010 U.S. Pension Plan [Member]	Dec. 31, 2012 Primary U.S. And Non-U.S. Defined Benefit Plans [Member]	Dec. 31, 2011 Primary U.S. And Non-U.S. Defined Benefit Plans [Member]	Dec. 31, 2010 Primary U.S. And Non-U.S. Defined Benefit Plans [Member]	Dec. 31, 2012 SERPs [Member]	Dec. 31, 2011 DC SERP [Member]	Dec. 31, 2010 DC SERP [Member]	Dec. 31, 2009 DC SERP [Member]	Dec. 31, 2012 Post-Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Long-term rate of return on plan assets						7.25%			7.25%	7.25%
Expected employer contributions to U.S. and Non-U.S. defined benefit pension plans, SERPs and post-retirement plan								$ 7			$ 27				$ 6
Accumulated benefit obligation	960	231				872	784
Plan assets	674	50		671	36
Projected benefit obligations	981	263	263
Health care cost trend rates increase	1.00%
Health care cost trend rates decrease	1.00%
Post-retirement benefit obligation increase	7.00%
Post-retirement benefit obligation decrease	6.00%
Aggregate expense for service and interest costs increase	10.00%
Aggregate expense for service and interest costs decrease	9.00%
Expenses related to pre-tax salary- U.S employees	77	71	73
Expenses related to pre-tax salary- Non-U.S employees	65	45	45
Recorded compensation and employee benefits expense	$ 103	$ 95	$ 50									$ 10	$ 10	$ 10