ARIZONA PUBLIC SERVICE COMPANY - CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
PROPERTY, PLANT AND EQUIPMENT
Palo Verde sale leaseback, net of accumulated depreciation	$ 110,886	$ 268,894
Intangible assets, net of accumulated amortization	1,057,812	925,880
Nuclear fuel, net of accumulated amortization	111,096	115,894
APS
PROPERTY, PLANT AND EQUIPMENT
Palo Verde sale leaseback, net of accumulated depreciation	110,886	268,894
Intangible assets, net of accumulated amortization	1,057,812	925,880
Nuclear fuel, net of accumulated amortization	$ 111,096	$ 115,894