Fair Value Measurements (Details) - USD ($) $ in Millions |
Dec. 31, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Liabilities: | ||
| Debt, fair value | $ 9,011 | $ 8,378 |
| Level 1 | ||
| Liabilities: | ||
| Debt, fair value | 0 | 0 |
| Level 2 | ||
| Liabilities: | ||
| Debt, fair value | 9,011 | 8,378 |
| Level 3 | ||
| Liabilities: | ||
| Debt, fair value | $ 0 | $ 0 |
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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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