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Lines of Credit and Short-Term Borrowings (Tables) | 12 Months Ended
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Dec. 31, 2024
Debt Disclosure [Abstract] |
Schedule of Consolidated Credit Facilities and Amounts Available and Outstanding | The table below presents the consolidated credit and term loan facilities and the amounts available and outstanding (dollars in thousands):
| December 31, 2024 |  | December 31, 2023
| Pinnacle West | APS | Total |  | Pinnacle West | APS | Total
Commitments under Credit and Term Loan Facilities | $ | 400,000 |  | $ | 1,650,000 |  | $ | 2,050,000 |  |  | $ | 200,000 |  | $ | 1,250,000 |  | $ | 1,450,000 |
Outstanding short-term borrowings | (228,550) |  | (339,900) |  | (568,450) |  |  | (76,650) |  | (532,850) |  | (609,500) |
Amount of Credit and Term Loan Facilities Available | $ | 171,450 |  | $ | 1,310,100 |  | $ | 1,481,550 |  |  | $ | 123,350 |  | $ | 717,150 |  | $ | 840,500 |
Weighted-Average Commitment Fees | 0.225% | 0.175% |  |  | 0.170% | 0.120% |

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- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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