Income Taxes (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Taxes (Textuals) [Abstract]
Bad debt from acquired savings banks	$ 100
Deferred tax on bad debt from acquired savings banks	40
Unrecognized tax benefit impact on effective tax rate	4	8
Unrecognized tax benefits	2	5
Interest and penalties on unrecognized tax benefits	3	1
Unrecognized tax benefit interest and penalties impact on effective tax rate	2	3
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating tax loss carryforwards	406
Operating tax loss carryforwards from acquisitions	35
Tax loss carryforwards expiring in later years	$ 235