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Summary of Significant Accounting Policies - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Cash and Cash Equivalents [Line Items] |  |  |
Income taxes, net of refunds | $ 133,968 | $ 8,788 | $ 46,227
Interest, net of amounts capitalized | 360,349 | 310,996 | 245,271
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] |  |  |
Accrued capital expenditures | 257,494 | 206,269 | 114,999
Dividends accrued but not yet paid | 106,592 | 99,813 | 97,895
BCE Sale non-cash consideration (Note 20) | 0 | 28,262 | 0
Arizona Public Service Company |  |  |
Cash and Cash Equivalents [Line Items] |  |  |
Income taxes, net of refunds | 179,013 | 21,734 | 95,985
Interest, net of amounts capitalized | 299,799 | 267,261 | 227,159
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] |  |  |
Accrued capital expenditures | 257,494 | 206,269 | 116,533
Dividends accrued but not yet paid | $ 107,200 | $ 99,800 | $ 97,900

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