Employee Benefits (Combined Information For The U.S. And Non-U.S. Defined Benefit Plans And Post-Retirement Plan) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Primary U.S. And Non-U.S. Defined Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, benefit obligation, beginning balance	$ 905	$ 808
Service cost	9	11	13
Interest cost	47	44	45
Employee contributions	1	1
Plan amendments	(4)
Acquisitions and transfers	30	3
Actuarial gain (losses)	67	72
Benefits paid	(28)	(28)
Settlements	(1)	(2)
Foreign currency translation	(8)	(4)
Adjustment for rounding
Defined benefit plan, benefit obligation, ending balance	1,017	905	808
Defined benefit plan, fair value of plan assets, beginning balance	884	828
Actual return on plan assets	50	84
Employer contributions	8	8
Acquisitions and transfers	21	(2)
Expenses paid	(1)
Plan settlements	(1)	(2)
Foreign currency translation	(5)	(4)
Defined benefit plan, fair value of plan assets, ending balance	928	884	828
Funded status (plan assets less benefit obligations)	(89)	(21)
Net accrued benefit expense	(89)	(21)
Post-Retirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, benefit obligation, beginning balance	114	112
Service cost	6	5	4
Interest cost	6	6	6
Employee contributions
Actuarial gain (losses)	(5)	(4)
Benefits paid	(9)	(7)
Settlements
Foreign currency translation
Adjustment for rounding		2
Defined benefit plan, benefit obligation, ending balance	112	114	112
Defined benefit plan, fair value of plan assets, beginning balance
Employer contributions	9	7
Plan settlements
Foreign currency translation
Defined benefit plan, fair value of plan assets, ending balance
Funded status (plan assets less benefit obligations)	(112)	(114)
Net accrued benefit expense	$ (112)	$ (114)