Acquisitions/Dispositions Acquisitions/Dispositions (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended		12 Months Ended
	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012 FirstAgain, LLC [Member]	Dec. 31, 2011 CSI Capital Management [Member]
Significant Acquisitions and Disposals [Line Items]
Significant Acquisitions and Disposals, Acquisition Costs or Sale Proceeds		$ 0
Significant Acquisitions and Disposals, Type			Acquisition of assets of FirstAgain, LLC	Acquisition of certain additional assets of CSI Capital Management
Acquisitions and Disposals, Date of Transaction for Acquisition or Disposal			Jun. 22, 2012	May 09, 2011
Payments for (Proceeds from) Businesses and Interest in Affiliates			(12)	(19)
Goodwill, Acquired During Period	32		32	20
Finite-lived Intangible Assets Acquired			0	7
Business Combination, Bargain Purchase, Gain Recognized, Amount			$ 0	$ 0
Acquisitions And Disposals Additional Comments			Goodwill recorded is tax-deductible.	Goodwill and intangibles  recorded are tax-deductible.