Consolidated Statements of Comprehensive Income (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Statement of Comprehensive Income [Abstract]
Net Income	$ 978	$ 1,027	$ 453
Interest Rate Cash Flow Hedges [Abstract]
Unrealized Change in Fair Value	0	0	23
Less Tax Provision	0	0	(8)
Net Change in Pension and Other	(6)	(20)	(17)
Less Tax (Benefit)	2	7	6
Other Comprehensive Income (Loss)	(4)	(13)	4
Comprehensive Income	$ 974	$ 1,014	$ 457