Debt - Interest Expense (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
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| Debt Disclosure [Abstract] | ||||
| Total interest cost | $ 235 | $ 227 | $ 701 | $ 662 |
| Capitalized interest | (52) | (74) | (149) | (225) |
| Total interest expense, net | $ 183 | $ 153 | $ 552 | $ 437 |
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- References No definition available.
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- Definition Amount of interest capitalized during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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/disclosureRef
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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/disclosureRef
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