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, 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
Net Income	604,054		591,136		12,918	611,616			598,698		12,918
Other comprehensive income (loss)	3,130			3,130		2,086				2,086
Dividends on common stock	(187,165)		(187,165)			(187,000)			(187,000)
Capital activities by noncontrolling interests	(10,628)				(10,628)	(10,628)					(10,628)
Other	0		(1)		1	0			(1)		1
Ending balance (in shares) at Sep. 30, 2021		112,852,121					71,264,947
Ending balance at Sep. 30, 2021	6,186,464	$ 2,698,552	3,429,076	(59,666)	121,581	6,761,259	$ 178,162	2,871,696	3,628,652	(38,832)	121,581
Beginning balance (in shares) at Jun. 30, 2021		112,819,703					71,264,947
Beginning balance at Jun. 30, 2021	5,834,899	$ 2,692,015	3,089,266	(60,578)	117,275	6,412,290	$ 178,162	2,871,696	3,284,989	(39,832)	117,275
Increase (Decrease) in Shareholders' Equity
Net Income	344,104		339,798		4,306	347,969			343,663		4,306
Other comprehensive income (loss)	912			912		1,000				1,000
Dividends on common stock	11		11
Other	1		1
Ending balance (in shares) at Sep. 30, 2021		112,852,121					71,264,947
Ending balance at Sep. 30, 2021	$ 6,186,464	$ 2,698,552	3,429,076	(59,666)	121,581	6,761,259	$ 178,162	2,871,696	3,628,652	(38,832)	121,581
Beginning balance (in shares) at Dec. 31, 2021	113,014,528	113,014,528					71,264,947
Beginning 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	520,512		507,594		12,918	538,781			525,863		12,918
Other comprehensive income (loss)	1,561			1,561		(432)				(432)
Dividends on common stock	(192,213)		(192,213)			(192,000)			(192,000)
Capital activities by noncontrolling interests	(10,628)				(10,628)	(10,628)					(10,628)
Other	$ 2		2
Ending balance (in shares) at Sep. 30, 2022	113,108,728	113,108,728					71,264,947
Ending balance at Sep. 30, 2022	$ 6,362,113	$ 2,720,364	3,580,102	(53,300)	117,550	7,236,194	$ 178,162	3,171,696	3,804,098	(35,312)	117,550
Beginning balance (in shares) at Jun. 30, 2022		113,078,049					71,264,947
Beginning balance at Jun. 30, 2022	6,021,523	$ 2,712,297	3,253,772	(54,814)	113,244	6,899,284	$ 178,162	3,171,696	3,472,403	(36,221)	113,244
Increase (Decrease) in Shareholders' Equity
Net Income	330,632		326,326		4,306	335,999			331,693		4,306
Other comprehensive income (loss)	1,514			1,514		909				909
Other	$ 4		4			2			2
Ending balance (in shares) at Sep. 30, 2022	113,108,728	113,108,728					71,264,947
Ending balance at Sep. 30, 2022	$ 6,362,113	$ 2,720,364	$ 3,580,102	$ (53,300)	$ 117,550	$ 7,236,194	$ 178,162	$ 3,171,696	$ 3,804,098	$ (35,312)	$ 117,550