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Supplemental Cash Flow Information (Tables) | 6 Months Ended
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Jun. 30, 2025
Supplemental Cash Flow Elements [Abstract] |
Schedule of Supplemental Consolidated Statements of Cash Flows | Supplemental information for the Consolidated Statements of Cash Flows for the periods was:
|  | Six Months Ended June 30, |  |  |
|  | 2025 |  | 2024 |  |  |  |  |
Cash paid during the period |  |  |  |  |  |  |  |  |
Interest and other finance charges, net of capitalized interest (a) |  | $ | 107 |  |  | $ | 124 |  |  |  |  |  |
Income taxes, net (b) |  | 70 |  |  | 9 |  |  |  |  |  |
Unrealized (gain) loss on derivative instruments included on the Statements of Cash Flows |  |  |  |  |  |  |  |  |
Commodity contracts |  | $ | 90 |  |  | $ | 44 |  |  |  |  |  |
Interest rate swap contracts (interest expense) |  | 13 |  |  | (8) |  |  |  |  |  |
Unrealized (gain) loss on derivative instruments |  | $ | 103 |  |  | $ | 36 |  |  |  |  |  |
Depreciation, amortization and accretion included on the Statements of Cash Flows |  |  |  |  |  |  |  |  |
Depreciation, amortization and accretion |  | $ | 144 |  |  | $ | 150 |  |  |  |  |  |
Other |  | (3) |  |  | (6) |  |  |  |  |  |
Depreciation, amortization and accretion |  | $ | 141 |  |  | $ | 144 |  |  |  |  |  |
Reconciliation of other non-cash operating activities |  |  |  |  |  |  |  |  |
Derivative option premium amortization |  | $ | 33 |  |  | $ | 4 |  |  |  |  |  |
Stock-based compensation |  | 27 |  |  | 16 |  |  |  |  |  |
(Gain) loss on sale of assets, net |  | (12) |  |  | — |  |  |  |  |  |
Bitcoin revenue |  | — |  |  | (71) |  |  |  |  |  |
Other |  | (14) |  |  | (7) |  |  |  |  |  |
Total |  | $ | 34 |  |  | $ | (58) |  |  |  |  |  |
Non-cash investing activities |  |  |  |  |  |  |  |  |
Capital expenditure accrual increase (decrease) |  | $ | 4 |  |  | $ | (16) |  |  |  |  |  |
__________________ (a)Capitalized interest was $2 million and $3 million for the six months ended June 30, 2025 and 2024, respectively. (b)During the six months ended June 30, 2025 and 2024, $20 million and $51 million of estimated Nuclear PTCs were utilized as a credit against our federal income tax payable, respectively. “Restricted cash and cash equivalents” of $13 million and $37 million presented on the Consolidated Balance Sheets as of June 30, 2025 and December 31, 2024, respectively, were comprised of commodity exchange margin deposits.

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