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Acquisitions, Dispositions, and Other Transactions - Summary of Assets Held for Sale (Details) - Anadarko's Africa Assets - Discontinued Operations, Disposed of by Sale $ in Millions | Sep. 30, 2019 USD ($)
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
Cash and cash equivalents | $ 16
Inventories | 207
Other current assets | 110
Property, plant and equipment, net | 5,863
Operating lease assets | 29
Long-term receivables and other assets, net | 220
Assets held for sale | 6,445
Current maturities of debt - finance leases | 13
Current operating lease liabilities | 11
Accounts payable | 217
Accrued liabilities | 152
Long-term debt, net - finance leases | 187
Deferred income taxes | 1,281
Asset retirement obligations | 142
Other | 200
Liabilities of assets held for sale | 2,203
Net assets held for sale | $ 4,242

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