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v3.25.4

Accounts Receivable and Accrued Revenues (Narrative) (Details) - USD ($) shares in Millions, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024
Business Combination [Line Items] |  |
Allowance for credit loss | $ 6 | $ 5
Investment in marketable securities | $ 245 |
NuVista [Member] |  |
Business Combination [Line Items] |  |
Purchase of common stock, shares | 18.5 |
Investment in marketable securities | $ 245 |
Unrealized gain | $ 28 |

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