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Consolidation and Nature of Operations (Tables) | 9 Months Ended
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Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Schedule of Supplemental Cash Flow Information | The following table summarizes supplemental Pinnacle West cash flow information (dollars in thousands):
|  | Nine Months Ended September 30, |  |
|  | 2025 |  | 2024 |  |  |  |  |  |
Cash paid during the period for: |  |  |  |  |  |  |  |  |  |
Income taxes, net of refunds |  | $ | 7,701 |  |  | $ | 49,385 |  |  |  |  |  |  |
Interest, net of amounts capitalized |  | 283,358 |  |  | 265,673 |  |  |  |  |  |  |
Significant non-cash investing and financing activities: |  |  |  |  |  |  |  |  |  |
Accrued capital expenditures |  | 228,182 |  |  | 169,375 |  |  |  |  |  |  |
BCE Sale non-cash consideration (Note 19) |  | — |  |  | 19,967 |  |  |  |  |  |  |
The following table summarizes supplemental APS cash flow information (dollars in thousands):
|  | Nine Months Ended September 30, |  |
|  | 2025 |  | 2024 |  |  |  |  |  |
Cash paid during the period for: |  |  |  |  |  |  |  |  |  |
Income taxes, net of refunds |  | $ | 10,328 |  |  | $ | 72,133 |  |  |  |  |  |  |
Interest, net of amounts capitalized |  | 243,761 |  |  | 230,520 |  |  |  |  |  |  |
Significant non-cash investing and financing activities: |  |  |  |  |  |  |  |  |  |
Accrued capital expenditures |  | 228,182 |  |  | 169,375 |  |  |  |  |  |  |

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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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