Palo Verde Sale Leaseback Variable Interest Entities - Schedule of VIEs (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Palo Verde Sale Leaseback Variable Interest Entities
Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation	$ 17,980,157	$ 16,854,354
Amounts relating to the VIEs included in Condensed Consolidated Balance Sheets
Equity-Noncontrolling interests	107,198	111,229
Arizona Public Service Company
Palo Verde Sale Leaseback Variable Interest Entities
Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation	17,979,860	16,800,254
Amounts relating to the VIEs included in Condensed Consolidated Balance Sheets
Equity-Noncontrolling interests	107,198	111,229
Palo Verde VIE | Arizona Public Service Company
Palo Verde Sale Leaseback Variable Interest Entities
Palo Verde sale leaseback property, plant and equipment, net of accumulated depreciation	86,426	90,296
Amounts relating to the VIEs included in Condensed Consolidated Balance Sheets
Equity-Noncontrolling interests	$ 107,198	$ 111,229