Long-Term Debt (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Debt Disclosure [Abstract]
Extinguishment of Debt, Amount	$ 748		$ 873
Loss on extinguishment of debt	$ (111)	$ 0	$ (129)	$ 0
Debt Instrument, Covenant Compliance			We were in compliance with the covenants in our financing agreements at June 30, 2014