Benefit Plans Components Of Net Periodic Benefit Cost (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
U.S. Plans - Pension [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 2	$ 1	$ 4	$ 3
Interest cost	4	5	8	9
Expected return on plan assets	(4)	(4)	(8)	(8)
Amortization:
Net loss	2	2	5	4
Prior service cost	1	0	1	0
Other			0	1
Net periodic pension cost	5	4	10	9
Non-U.S. Plans - Pension [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	47	44	96	85
Interest cost	47	52	96	101
Expected return on plan assets	(78)	(80)	(162)	(156)
Amortization:
Net loss	31	14	62	28
Prior service cost	1	2	4	4
Other			0	0
Net periodic pension cost	$ 48	$ 32	$ 96	$ 62