Earnings Per Common Share - Dilutive Shares (Details) - USD ($) shares in Millions, $ in Millions |
12 Months Ended | ||
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Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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| Class of Stock [Line Items] | |||
| Noncash dividends | $ 100 | ||
| Common Stock | |||
| Class of Stock [Line Items] | |||
| Incremental common shares attributable to dilutive effect of call options and warrants | 150 | 150 | |
| Series T Preferred Stock | |||
| Class of Stock [Line Items] | |||
| Incremental common shares attributable to dilutive effect of conversion of preferred stock | 700 | ||
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of paid and unpaid preferred stock dividends declared with the form of settlement in stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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