Divestiture and Discontinued Operations [Details 7] (USD $) In Millions, unless otherwise specified	1 Months Ended	12 Months Ended
	Dec. 31, 2010	Dec. 31, 2009	Jun. 30, 2011	Nov. 21, 2010
Divestiture and Discontinued Operations (Textuals) [Abstract]
Keycorp sell net assets of Tuition Management Systems (TMS) to First Marblehead Corp				$ 47
Write-off of customer relationship intangible assets in conjunction with transaction	15
Number of outstanding securitization trusts		10
Cumulative effect adjustment with retained earnings due to re-measurement fair Value		$ 45
Loans held by the trusts with unpaid principal balances due date			90 days or more