Comprehensive Income (Loss) (Schedule Of Components Of Comprehensive Income (Loss)) (Details) (USD $) In Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Comprehensive Income (Loss)
Foreign currency translation adjustments, net of income tax expense (credit) ($2 for 2011 and $(8) for 2010, respectively)			$ 235	$ (360)
Unrealized investment holding losses, net of income tax credit ($1 for 2011 and $3 for 2010, respectively)			(4)	(10)
(Losses) gains related to pension/retiree plans, net of income tax expense ($3 for 2011 and $51 for 2010, respectively)			(9)	135
Other comprehensive income (loss)			222	(235)
Net income before non-controlling interests	289	242	620	494
Comprehensive income before non-controlling interests			842	259
Less: Comprehensive loss attributable to non-controlling interests			(13)	(10)
Comprehensive income attributable to the Company			829	249
Foreign currency translation adjustments, tax expense			2	(8)
Unrealized investment holding losses, net of income tax (credit) expense			1	3
(Losses) gains related to pension/retiree plans, net of income tax (credit) expense			$ 3	$ 51