APS - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net unrealized loss, tax benefit (expense)	$ (615)	$ (378)	$ 662
Reclassification of net realized gain, tax benefit (expense)	0	18	(171)
Pension and other postretirement benefits activity, tax benefit (expense)	(7,078)	(2,256)	1,371
Arizona Public Service Company
Net unrealized loss, tax benefit (expense)	0	18	18
Reclassification of net realized gain, tax benefit (expense)	0	18	(171)
Pension and other postretirement benefits activity, tax benefit (expense)	$ (6,332)	$ (1,990)	$ 1,955