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Consolidated Statements of Equity (Parenthetical) - USD ($) $ in Millions |  | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 09, 2014 | Dec. 31, 2014 | Dec. 31, 2013
Issuance of common stock (in shares) |  | 131,017 |
Issuance of shares of nonvested stock (in shares) |  | 1,110,600 |
Predecessor |  |  |
Issuance of new equity interests in connection with emergence from Chapter 11 in connection with the Rights Offering | $ 100 |  |
Issuance of new equity interests in connection with emergence from Chapter 11 in connection with the Rights Offering (in shares) | 60,299,757 |  |
Issuance of shares of nonvested stock (in shares) |  |  | 200,634
Issuance of shares of nonvested stock, forfeitures (in shares) |  |  | 21,500

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