New Accounting Pronouncements (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
New Accounting Pronouncements [Abstract]
Affordable Housing Tax Credits Expected to be Recognized in Current FIscal Year	$ 3
Affordable Housing Tax Credits, Net Investment Balance Recognized	25
Affordable Housing Tax Credits, Income Tax Expense Expected to be Recognized in Current Fiscal Year	4
Affordable Housing Tax Credits, Contingent Commitments for Equity Contributions in Current Fiscal Year [Member]	$ 27