Reclassification From Accumulated Other Comprehensive Income (Loss) (Components Of Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended								9 Months Ended
	Sep. 30, 2014		Sep. 30, 2014 Gains (Losses) On Cash Flow Hedges [Member]		Sep. 30, 2014 Pension And Other Postretirement [Member]		Dec. 31, 2013 Pension And Other Postretirement [Member]		Sep. 30, 2014 Foreign Currency [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (4)	[1]	$ 9	[1]	$ (9)	[1]	$ (9)	[1]	$ (4)	[1]
Other comprehensive loss before reclassifications	(5)	[1]	(1)	[1]					(4)	[1]
Amounts reclassified from accumulated other comprehensive loss	28	[1],[2]	28	[1],[2]
Net current-period other comprehensive income (loss)	23	[1]	27	[1]					(4)	[1]
Ending balance	$ 19	[1]	$ 36	[1]	$ (9)	[1]	$ (9)	[1]	$ (8)	[1]

[1] All amounts are net of tax.

[2] See separate table below for details about these reclassifications.