Annual report pursuant to Section 13 and 15(d)

Stockholder's Equity and Earnings Per Share - Preferred Equity and Common Stock (Details)

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Stockholder's Equity and Earnings Per Share - Preferred Equity and Common Stock (Details) (USD $)
12 Months Ended 0 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2008
Oct. 05, 2010
9% Mandatory Convertible Non-Cumulative Preferred Stock, Series 2 [Member]
Oct. 05, 2010
9% Mandatory Convertible Non-Cumulative Preferred Stock, Series 3 [Member]
Class of Stock [Line Items]            
Dividend rate on preferred shares         9.00% 9.00%
Common stock, shares, outstanding       1,000    
Preferred stock dividends declared $ 0 $ 0 $ (134,000,000)