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Income Taxes - Additional Information (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($)
Income Taxes |
Income tax expense attributable to non controlling interests | $ 0
Interest expense to be received on the underpayment of income taxes | 1
Increase (decrease) in deferred income taxes due to regulation adoption | 12
Arizona Public Service Company |
Income Taxes |
Increase (decrease) in deferred income taxes due to regulation adoption | 12
Federal |
Income Taxes |
State credit carryforwards net of federal benefit | 56
Federal | Arizona Public Service Company |
Income Taxes |
State credit carryforwards net of federal benefit | 15
State |
Income Taxes |
State credit carryforwards net of federal benefit | 56
State | Arizona Public Service Company |
Income Taxes |
State credit carryforwards net of federal benefit | $ 15

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- Definition The increase (decrease) during the reporting period in the account that represents the temporary difference that results from Income or Loss that is recognized for accounting purposes but not for tax purposes and vice versa, due to the adoption of regulations. + References No definition available. + Details
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- Definition Represents the amount of interest income to be received on the overpayment of income taxes for certain adjustments that the company has filed, or will file, with the IRS. + References No definition available. + Details
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