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Revenues and Accounts Receivable - Contract Balances (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2022 | Dec. 31, 2021
Change in Contract Liabilities [Roll Forward] |  |  |
Beginning balance | $ 501 | $ 141 | $ 501
Amounts recognized as revenue |  | (26) | (393)
Additions |  | 145 | 33
Other |  | (31) |
Ending balance |  | 229 | $ 141
Crude Oil Sales Agreements Entered Into In Conjunction WIth Storage Arrangements And Future Inventory Exchanges |  |  |
Change in Contract Liabilities [Roll Forward] |  |  |
Amounts recognized as revenue | $ (361) |  |
Gas Processing Agreement That Was Entered Into In Conjunction With The Purchase Of An Additional Ownership Interest In Certain Straddle Plants |  |  |
Change in Contract Liabilities [Roll Forward] |  |  |
Additions |  | $ 122 |
Revenue recognition term |  | 50 years |

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