Reclassification From Accumulated Other Comprehensive Loss (Components Of Accumulated Other Comprehensive Loss) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014		Jun. 30, 2014 Gains (Losses) On Cash Flow Hedges [Member]		Jun. 30, 2014 Pension And Other Postretirement [Member]		Dec. 31, 2013 Pension And Other Postretirement [Member]		Jun. 30, 2014 Foreign Currency [Member]		Dec. 31, 2013 Foreign Currency [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (4)	[1]	$ 9	[1]	$ (9)	[1]	$ (9)	[1]	$ (4)	[1]	$ (4)	[1]
Other comprehensive loss before reclassifications	(49)	[1]	(49)	[1]
Amounts reclassified from accumulated other comprehensive loss	41	[1],[2]	41	[1],[2]
Net current-period other comprehensive income (loss)	(8)	[1]	(8)	[1]
Ending balance	$ (12)	[1]	$ 1	[1]	$ (9)	[1]	$ (9)	[1]	$ (4)	[1]	$ (4)	[1]

[1] All amounts are net of tax.

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