Debt - Interest Expense (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Debt Disclosure [Abstract] | ||||
| Total interest cost | $ 234 | $ 224 | $ 466 | $ 435 |
| Capitalized interest | (50) | (70) | (97) | (151) |
| Total interest expense, net | $ 184 | $ 154 | $ 369 | $ 284 |
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- References No definition available.
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- Definition Amount of interest capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Total interest costs incurred during the period and either capitalized or charged against earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of the cost of borrowed funds accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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