APS - CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests	Arizona Public Service Company	Arizona Public Service Company Common Stock	Arizona Public Service Company Additional Paid-In Capital	Arizona Public Service Company Retained Earnings	Arizona Public Service Company Accumulated Other Comprehensive Income (Loss)	Arizona Public Service Company Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2020		112,760,051					71,264,947
Beginning balance at Dec. 31, 2020	$ 5,752,793	$ 2,677,482	$ 3,025,106	$ (62,796)	$ 119,290	$ 6,345,185	$ 178,162	$ 2,871,696	$ 3,216,955	$ (40,918)	$ 119,290
Increase (Decrease) in Shareholders' Equity
Equity infusion from Pinnacle West						150,000		150,000
Net income	635,944		618,720		17,224	649,503			632,279		17,224
Other comprehensive income	7,935			7,935		6,038				6,038
Dividends on common stock	(379,108)		(379,108)			(379,000)			(379,000)
Capital activities by noncontrolling interests	(21,255)				(21,255)	(21,255)					(21,255)
Other	2		1		1	2			1		1
Ending balance (in shares) at Dec. 31, 2021		113,014,528					71,264,947
Ending balance at Dec. 31, 2021	6,021,460	$ 2,702,743	3,264,719	(54,861)	115,260	6,750,473	$ 178,162	3,021,696	3,470,235	(34,880)	115,260
Increase (Decrease) in Shareholders' Equity
Equity infusion from Pinnacle West						150,000		150,000
Net income	500,826		483,602		17,224	542,153			524,929		17,224
Other comprehensive income	23,426			23,426		19,284				19,284
Dividends on common stock	(387,975)		(387,975)			(387,700)			(387,700)
Capital activities by noncontrolling interests	(21,255)				(21,255)	(21,255)					(21,255)
Other	$ 2	$ 1	1
Ending balance (in shares) at Dec. 31, 2022	113,247,189	113,247,189					71,264,947
Ending balance at Dec. 31, 2022	$ 6,159,876	$ 2,724,740	3,360,347	(31,435)	111,229	7,052,955	$ 178,162	3,171,696	3,607,464	(15,596)	111,229
Increase (Decrease) in Shareholders' Equity
Equity infusion from Pinnacle West						150,000		150,000
Net income	518,781		501,557		17,224	564,561			547,337		17,224
Other comprehensive income	(1,709)			(1,709)		(1,623)				(1,623)
Dividends on common stock	(395,585)		(395,585)			(395,500)			(395,500)
Capital activities by noncontrolling interests	(21,255)				(21,255)	(21,255)					(21,255)
Other	$ (3)		(2)			(2)			(2)		0
Ending balance (in shares) at Dec. 31, 2023	113,537,689	113,537,689					71,264,947
Ending balance at Dec. 31, 2023	$ 6,284,862	$ 2,752,676	$ 3,466,317	$ (33,144)	$ 107,198	$ 7,349,136	$ 178,162	$ 3,321,696	$ 3,759,299	$ (17,219)	$ 107,198