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Equity - Common Stock (Details)
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Dec. 31, 2014
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Dec. 31, 2013
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| Equity [Abstract] | ||
| Shares authorized (in shares) | 800,000,000us-gaap_CommonStockSharesAuthorized | 800,000,000us-gaap_CommonStockSharesAuthorized |
| Shares outstanding at end of period (in shares) | 484,819,000us-gaap_CommonStockSharesOutstanding | 490,290,000us-gaap_CommonStockSharesOutstanding |
| Shares held in treasury (in shares) | 1,113,000us-gaap_TreasuryStockShares | 1,319,000us-gaap_TreasuryStockShares |
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- Definition
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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