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Shareholders' Equity (Details) (USD $)
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0 Months Ended | 3 Months Ended | 9 Months Ended | 0 Months Ended | 0 Months Ended | 3 Months Ended | 9 Months Ended | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 26, 2014
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Aug. 06, 2014
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Jun. 18, 2014
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Feb. 11, 2014
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Sep. 30, 2014
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Jun. 30, 2014
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Mar. 31, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
Key Associate Stock Plan
Restricted Stock Units (RSUs)
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Sep. 30, 2014
Key Associate Stock Plan
Restricted Stock Units (RSUs)
Anniversary One
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Sep. 30, 2014
Key Associate Stock Plan
Restricted Stock Units (RSUs)
Anniversary Two
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Sep. 30, 2014
Key Associate Stock Plan
Restricted Stock Units (RSUs)
Anniversary Three
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Sep. 05, 2014
Series X Preferred Stock
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Sep. 09, 2014
Series W Preferred Stock
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Sep. 30, 2014
Series X, W, Z Preferred Stock
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Sep. 30, 2014
Warrants Expiring January 16, 2019
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Sep. 26, 2014
Warrants Expiring January 16, 2019
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Jun. 30, 2014
Warrants Expiring January 16, 2019
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Sep. 30, 2014
Warrants Expiring October 18, 2018
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Oct. 23, 2014
Subsequent Event
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Oct. 23, 2014
Subsequent Event
Series Z Preferred Stock
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Jun. 30, 2014
Common Stock
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Mar. 31, 2014
Common Stock
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Sep. 30, 2014
Common Stock
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| Class of Stock [Line Items] | ||||||||||||||||||||||||||
| Common stock dividends declared (in usd per share) | $ 0.05 | $ 0.01 | $ 0.01 | $ 0.05 | ||||||||||||||||||||||
| Cash dividends declared per common share (dollars per share) | $ 0.05 | $ 0.05 | $ 0.01 | $ 0.07 | $ 0.03 | |||||||||||||||||||||
| Redempmtion of stock (shares) | 14,400,000 | 86,700,000 | ||||||||||||||||||||||||
| Redempmtion of stock | $ 1,675,000,000 | $ 1,869,000,000 | $ 233,000,000 | $ 1,400,000,000 | ||||||||||||||||||||||
| Stock issued (shares) | 41,000,000 | |||||||||||||||||||||||||
| Shares paid for tax withholding for share based compensation (shares) | 16,000,000 | |||||||||||||||||||||||||
| Share-based compensation, number of shares authorized (shares) | 1,800,000,000 | 1,800,000,000 | ||||||||||||||||||||||||
| Warrants outstanding | 150,400,000 | 121,800,000 | ||||||||||||||||||||||||
| Minimum required dividend rate | $ 0.01 | $ 0.32 | ||||||||||||||||||||||||
| Exercise price per warrant | $ 13.27 | $ 13.30 | ||||||||||||||||||||||||
| Preferred stock dividends | 238,000,000 | 256,000,000 | 238,000,000 | 732,000,000 | 993,000,000 | |||||||||||||||||||||
| Shares issued during the period (shares) | 80,000 | 44,000 | 56,000 | |||||||||||||||||||||||
| Preferred stock dividend rate | 6.625% | |||||||||||||||||||||||||
| Issuance of preferred stock | $ 4,561,000,000 | $ 1,008,000,000 | $ 2,000,000,000 | $ 1,100,000,000 | $ 1,400,000,000 | |||||||||||||||||||||
| Liquidation preference (in usd per share) | $ 25,000 | |||||||||||||||||||||||||
| Awards granted in period | 133,000,000 | |||||||||||||||||||||||||
| Vesting percentage | 33.33% | 33.33% | 33.33% | |||||||||||||||||||||||
| Restricted stock units authorized to be converted to common stock upon vesting (shares) | 2,000,000 | |||||||||||||||||||||||||