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ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS - SUMMARY OF ASSETS HELD FOR SALE (Details) - Ghana, Mozambique and South Africa Assets - Discontinued Operations, Held-for-sale $ in Millions | Dec. 31, 2020 USD ($)
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Current assets | $ 37
Property, plant and equipment, net | 1,364
Long-term receivables and other assets, net | 32
Assets held for sale | 1,433
Current liabilities | 84
Long-term debt, net - finance leases | 175
Deferred income taxes | 328
Asset retirement obligations | 166
Liabilities of assets held for sale | 753
Net assets held for sale | $ 680

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