Changes in Shareholders' Equity (Details 1) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Changes in Minority Equity presented outside of Shareholders' Equity
Balance at beginning of period	$ 638,000,000	$ 527,000,000	$ 584,000,000	$ 593,000,000
Comprehensive income (loss):
Net income (loss)	24,000,000	1,000,000	35,000,000	22,000,000
Foreign currency translation, net of tax of $0 and $0 in 2011 ($0 and $0 in 2010)	(41,000,000)	61,000,000	2,000,000	(28,000,000)
Amortization of prior service cost and unrecognized gains and losses included in total benefit cost, net of tax of $0 and $0 in 2011 ($0 and $0 in 2010)	1,000,000	2,000,000	3,000,000	4,000,000
Decrease in net actuarial losses, net of tax of $ 0 and $ 0 in 2011 ($0 and $0 in 2010)	0	1,000,000	1,000,000	1,000,000
Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Attributable To Redeemable Noncontrolling Interest Net Of Tax	3,000,000	0	0	0
Other Comprehensive Income (Loss), Reclassification Adjustment on Derivatives Included in Net Income Attributable to Redeemable Non Controlling Interest, Net of Tax	1,000,000	0	1,000,000
Other Comprehensive Income Reclassification Adjustment On Derivatives Included In Net Income Attributable To Parent And Nonredeemable Noncontrolling Interest Net Of Tax			(8,000,000)	0
Total comprehensive income (loss)	(12,000,000)	65,000,000	42,000,000	(1,000,000)
Balance at end of period	626,000,000	592,000,000	626,000,000	592,000,000
Changes in Minority Equity presented outside of Shareholders' Equity (Textuals) [Abstract]
Tax on foreign currency translation	0	0	0	0
Tax on net actuarial losses	0	0	0	0
Tax on amortization of prior service cost and unrecognized gains and losses included in benefit cost	0	0	0	0
Tax on deferred derivative loss	0	0	0	0
Tax on derivative loss reclassification adjustments	$ 0	$ 0	$ 0	$ 0