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, 2022		113,247,189					71,264,947
Beginning 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	111,978		103,366		8,612	138,212			129,600		8,612
Other comprehensive (loss) income	(156)			(156)		49				49
Dividends on common stock	(195,981)		(195,981)			(196,000)			(196,000)
Capital activities by noncontrolling interests	(10,628)				(10,628)	(10,628)					(10,628)
Other	(2)		(1)			(2)			(2)
Ending balance (in shares) at Jun. 30, 2023		113,386,894					71,264,947
Ending balance at Jun. 30, 2023	6,076,137	$ 2,736,112	3,267,731	(31,591)	109,213	7,134,586	$ 178,162	3,321,696	3,541,062	(15,547)	109,213
Beginning balance (in shares) at Mar. 31, 2023		113,359,467					71,264,947
Beginning balance at Mar. 31, 2023	6,164,451	$ 2,730,851	3,357,052	(31,536)	115,535	7,218,379	$ 178,162	3,321,696	3,618,125	(15,139)	115,535
Increase (Decrease) in Shareholders' Equity
Net income	110,969		106,663		4,306	123,243			118,937		4,306
Other comprehensive (loss) income	(55)			(55)		(408)				(408)
Dividends on common stock	(195,981)		(195,981)			(196,000)			(196,000)
Capital activities by noncontrolling interests	(10,628)				(10,628)	(10,628)					(10,628)
Other	(3)		(3)
Ending balance (in shares) at Jun. 30, 2023		113,386,894					71,264,947
Ending balance at Jun. 30, 2023	$ 6,076,137	$ 2,736,112	3,267,731	(31,591)	109,213	7,134,586	$ 178,162	3,321,696	3,541,062	(15,547)	109,213
Beginning balance (in shares) at Dec. 31, 2023	113,537,689	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 (loss) income	(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	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 (loss) income	(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	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