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Divestitures and Other Transactions - Summary of Assets Held for Sale (Details) - Algeria Africa Assets - Discontinued Operations, Disposed of by Sale $ in Millions | Dec. 31, 2019 USD ($)
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Current assets | $ 249
Property, plant and equipment, net | 1,761
Long-term receivables and other assets, net | 146
Total Assets | 2,156
Current liabilities | 188
Non-current liabilities | 104
Total Liabilities | $ 292

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