Share-Based Compensation - Schedule of Share-Based Compensation (Details) - USD ($) $ in Millions |
3 Months Ended | |
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Mar. 31, 2017 |
Mar. 31, 2016 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Total share-based compensation | $ 32 | $ 17 |
| Capitalized share-based compensation | (8) | (1) |
| Total share-based compensation expense | 24 | 16 |
| Equity Awards [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Total share-based compensation | 5 | 13 |
| Capitalized share-based compensation | (1) | (1) |
| Total share-based compensation expense | 4 | 12 |
| Liability Awards [Member] | ||
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Total share-based compensation | 27 | 4 |
| Capitalized share-based compensation | (7) | 0 |
| Total share-based compensation expense | $ 20 | $ 4 |
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Represents the compensation cost capitalized during the period arising from equity-based compensation arrangements (for example, shares of stock, units, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 capitalized and expensed compensation cost from equity-based compensation arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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