Customer Support Fund, Past Due Balance Threshold

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- Definition

Regulatory Matters, Demand Side Management Funds

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- Definition

Regulatory Matters, Demand Side Management Funds, Customer Credits

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- Definition

Regulatory Matters, Demand Side Management Funds, Customer Credits, Additional Funds

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- Definition

Regulatory Matters, Percentage Increase Due Under PSA In First Billing Cycle

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- Definition

Regulatory Matters, Remaining Percentage Increase Due Under PSA

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Regulatory Matters - COVID-19 Pandemic (Details) - APS - USD ($)	1 Months Ended
	Mar. 31, 2021	Mar. 31, 2022	Jan. 21, 2021	May 05, 2020
Public Utilities, General Disclosures [Line Items]
Demand side management funds				$ 36,000,000
Customer credits		$ 43,000,000
Customer credits, additional funds		$ 7,000,000
Percentage increase under PSA effective for first billing cycle beginning April 2021	50.00%
Remaining percentage increase under PSA effective for first billing cycle beginning November 2021	50.00%
Damage from Fire, Explosion or Other Hazard
Public Utilities, General Disclosures [Line Items]
Past due balance threshold qualifying for payment extension			$ 75