v3.20.4

Supplemental Financial Information - Results relating to equity-accounted investees (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Company’s share in income (loss) | $ (4) | $ (2) | $ 7
Other results | 0 | 3 | 52
Results relating to equity-accounted investees | $ (4) | $ 1 | $ 59

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- Definition Extraordinary Income (Loss) From Equity Method Investments + References No definition available. + Details
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