Comprehensive Income (Loss) (Schedule Of Components Of Comprehensive Income (Loss)) (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Comprehensive Income (Loss) [Abstract]
Foreign currency translation adjustments, net of income tax expense (credit) ($2 for 2011 and $(8) for 2010, respectively)			$ (113)	$ (44)
Unrealized investment holding losses, net of income tax credit ($1 for 2011 and $3 for 2010, respectively)			(5)	(11)
(Losses) gains related to pension/retiree plans, net of income tax expense ($3 for 2011 and $51 for 2010, respectively)			85	88
Other comprehensive income (loss)			(33)	33
Net income before non-controlling interests	135	171	755	665
Comprehensive income before non-controlling interests			722	698
Less: Comprehensive loss attributable to non-controlling interests			(18)	(13)
Comprehensive income attributable to the Company			704	685
Foreign currency translation adjustments, tax expense			1	(3)
Unrealized investment holding losses, net of income tax (credit) expense			1	4
(Losses) gains related to pension/retiree plans, net of income tax (credit) expense			$ 39	$ 34