CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
NET INCOME	$ 248,086	$ 234,718	$ 414,161	$ 407,152
Derivative instruments:
Net unrealized gain (loss), net of tax benefit (expense)	(91)	(145)	(472)	(247)
Reclassification of net realized loss, net of tax benefit	5,939	14,310	11,009	23,685
Pension and other postretirement benefits activity, net of tax benefit (expense)	5,967	957	5,114	1,235
Total other comprehensive income	11,815	15,122	15,651	24,673
COMPREHENSIVE INCOME	259,901	249,840	429,812	431,825
Less: Comprehensive income attributable to noncontrolling interests	4,125	8,555	21,976	25,338
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	255,776	241,285	407,836	406,487
Arizona Public Service Company
NET INCOME	255,172	243,509	427,460	420,283
Derivative instruments:
Net unrealized gain (loss), net of tax benefit (expense)	(91)	(145)	(472)	(247)
Reclassification of net realized loss, net of tax benefit	5,940	14,310	11,010	23,684
Pension and other postretirement benefits activity, net of tax benefit (expense)	735	951	18	1,222
Total other comprehensive income	6,584	15,116	10,556	24,659
COMPREHENSIVE INCOME	261,756	258,625	438,016	444,942
Less: Comprehensive income attributable to noncontrolling interests	4,125	8,555	21,976	25,338
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ 257,631	$ 250,070	$ 416,040	$ 419,604