Employee Benefit Plans (Narrative) (Details) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Pension Benefits U.S. Plans [Member]
Employer's expected minimum contribution		$ 90
Employer's expected maximum contribution		100
Employer contribution	85
Estimated future employer contributions in next fiscal year minimum remaining	5
Estimated future employer contributions in next fiscal year maximum remaining	15
Pension Benefits Non-U.S. Plans [Member]
Employer's expected minimum contribution		40
Employer's expected maximum contribution		45
Employer contribution	4
Estimated future employer contributions in next fiscal year minimum remaining	36
Estimated future employer contributions in next fiscal year maximum remaining	$ 41