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Regulatory Matters - Capital Structure and Costs of Capital (Details) - Arizona Public Service Company | Oct. 28, 2022 | Oct. 31, 2019
--- | --- | ---
Cost of Capital |  |
Long-term debt | 3.85% | 4.10%
Common stock equity | 10.25% | 10.15%
Weighted-average cost of capital | 7.17% | 7.41%
Retail Rate Case Filing with Arizona Corporation Commission |  |
Capital Structure |  |
Common stock equity | 51.93% | 54.70%
Retail Rate Case Filing with Arizona Corporation Commission | ACC |  |
Capital Structure |  |
Long-term debt | 48.07% | 45.30%

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