ARIZONA PUBLIC SERVICE COMPANY - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests	APS	APS Common Stock	APS Additional Paid-In Capital	APS Retained Earnings	APS Accumulated Other Comprehensive Income (Loss)	APS Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2023		113,537,689					71,264,947
Beginning 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
Increase (Decrease) in Shareholders' Equity
Equity infusion from Pinnacle West						450,000		450,000
Net income	229,279		220,667		8,612	235,530			226,918		8,612
Other comprehensive income (loss)	(150)			(150)		183				183
Dividends on common stock	(199,868)		(199,868)			(199,900)			(199,900)
Capital activities by noncontrolling interests	(10,628)				(10,628)	(10,628)					(10,628)
Other	(1)		(3)		1	(1)			(2)		1
Ending balance (in shares) at Jun. 30, 2024		113,711,763					71,264,947
Ending balance at Jun. 30, 2024	6,316,322	$ 2,764,511	3,487,113	(33,294)	105,183	7,824,320	$ 178,162	3,771,696	3,786,315	(17,036)	105,183
Beginning balance (in shares) at Mar. 31, 2024		113,686,849					71,264,947
Beginning balance at Mar. 31, 2024	6,310,533	$ 2,757,506	3,483,178	(32,582)	111,504	7,369,047	$ 178,162	3,321,696	3,774,414	(16,729)	111,504
Increase (Decrease) in Shareholders' Equity
Equity infusion from Pinnacle West						450,000		450,000
Net income	208,111		203,805		4,306	216,107			211,801		4,306
Other comprehensive income (loss)	(712)			(712)		(307)				(307)
Dividends on common stock	(199,868)		(199,868)			(199,900)			(199,900)
Capital activities by noncontrolling interests	(10,628)				(10,628)	(10,628)					(10,628)
Other	(1)		(2)		1	1					1
Ending balance (in shares) at Jun. 30, 2024		113,711,763					71,264,947
Ending balance at Jun. 30, 2024	$ 6,316,322	$ 2,764,511	3,487,113	(33,294)	105,183	7,824,320	$ 178,162	3,771,696	3,786,315	(17,036)	105,183
Beginning balance (in shares) at Dec. 31, 2024	119,143,782	119,143,782					71,264,947
Beginning balance at Dec. 31, 2024	$ 6,857,478	$ 3,121,617	3,666,959	(30,942)	103,167	8,376,332	$ 178,162	4,116,696	3,992,423	(14,116)	103,167
Increase (Decrease) in Shareholders' Equity
Equity infusion from Pinnacle West						300,000		300,000
Net income	196,532		187,920		8,612	212,989			204,377		8,612
Other comprehensive income (loss)	501			501		270				270
Dividends on common stock	(213,731)		(213,731)			(213,600)			(213,600)
Capital activities by noncontrolling interests	(10,628)				(10,628)	(10,628)					(10,628)
Other	$ 1				1	3			2		1
Ending balance (in shares) at Jun. 30, 2025	119,472,939	119,472,939					71,264,947
Ending balance at Jun. 30, 2025	$ 6,827,940	$ 3,119,404	3,641,148	(30,441)	101,152	8,665,366	$ 178,162	4,416,696	3,983,202	(13,846)	101,152
Beginning balance (in shares) at Mar. 31, 2025		119,445,299					71,264,947
Beginning balance at Mar. 31, 2025	6,845,982	$ 3,109,612	3,662,313	(30,094)	107,474	8,381,322	$ 178,162	4,116,696	3,992,700	(13,710)	107,474
Increase (Decrease) in Shareholders' Equity
Equity infusion from Pinnacle West						300,000		300,000
Net income	196,870		192,564		4,306	208,404			204,098		4,306
Other comprehensive income (loss)	(347)			(347)		(136)				(136)
Dividends on common stock	(213,731)		(213,731)			(213,600)			(213,600)
Capital activities by noncontrolling interests	(10,628)				(10,628)	(10,628)					(10,628)
Other	$ 2		2			4			4
Ending balance (in shares) at Jun. 30, 2025	119,472,939	119,472,939					71,264,947
Ending balance at Jun. 30, 2025	$ 6,827,940	$ 3,119,404	$ 3,641,148	$ (30,441)	$ 101,152	$ 8,665,366	$ 178,162	$ 4,416,696	$ 3,983,202	$ (13,846)	$ 101,152