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Summary Of Significant Accounting Policies (Narrative) (Details) shares in Millions, $ in Millions |  | 12 Months Ended
--- | --- | ---
Sep. 27, 2024 USD ($) shares | Dec. 31, 2024 USD ($) a | Dec. 31, 2023 USD ($) Customer | Dec. 31, 2022 USD ($) Customer
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Gain on asset dispositions |  | $ (11) | $ 30 | $ 44
Number of customers | Customer |  |  | 2 | 1
Derivative collateral held |  | 0 |  |
Cash collateral posted |  | 0 |  |
Restricted cash |  | 35 | $ 22 | $ 140
Goodwill, Impairment Loss |  | $ 0 | $ 0 | $ 0
Minimum [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Other property and equipment, useful life |  | 3 years |  |
Maximum [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Other property and equipment, useful life |  | 60 years |  |
Customer Concentration Risk [Member] | One Customer [Member] | Consolidated Sales Revenue [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk percentage |  |  | 14.00% | 15.00%
Customer Concentration Risk [Member] | Two Customer [Member] | Consolidated Sales Revenue [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Concentration risk percentage |  | 10.00% | 10.00% |
Upstream Revenues [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of days allowed for payment from end of production month |  | 30 days |  |
Marketing Revenues [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of days allowed for payment of invoiced amount |  | 30 days |  |
CDM [Member] | QL Capital Partners, LP [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Cash Contributed |  | $ 52 | $ 37 |
Cash distribution from entities |  | $ 51 | 45 | $ 30
Williston Acquisition [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Business Aquisition | $ 5,000 |  |  |
Cash paid related to acquisition | $ 3,500 |  |  |
Williston Acquisition [Member] | Common Stock [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of shares sold in acquisition | shares | 37.3 |  |  |
WPX and Howard Energy Partners [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Voting interest in the join venture legal entity |  | 50.00% |  |
Water JV [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Gain on asset dispositions |  |  | $ 64 |
Catalyst [Member] |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Area of land | a |  | 50,000 |  |

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