Goodwill and Other Intangible Assets and Liablities Schedule of Goodwill (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012 (As Adjusted)	Dec. 31, 2012 (As Reported)
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 14,819	$ 14,803	$ 14,803
Goodwill, Acquired During Period	0	33	33
Acquisition Valuation	0	(17)	0
Goodwill, Ending Balance	$ 14,819	$ 14,819	$ 14,836