CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
NET INCOME	$ 456,190	$ 423,696	$ 439,966
Derivative instruments:
Net unrealized loss, net of tax benefit (expense)	(957)	(810)	(213)
Reclassification of net realized loss, net of tax benefit	4,187	13,483	26,747
Pension and other postretirement benefits activity, net of tax (expense) benefit	20,163	(2,761)	9,421
Total other comprehensive income	23,393	9,912	35,955
COMPREHENSIVE INCOME	479,583	433,608	475,921
Less: Comprehensive income attributable to noncontrolling interests	18,933	26,101	33,892
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	460,650	407,507	442,029
ARIZONA PUBLIC SERVICE COMPANY
NET INCOME	469,207	447,320	458,861
Derivative instruments:
Net unrealized loss, net of tax benefit (expense)	(957)	(809)	(214)
Reclassification of net realized loss, net of tax benefit	4,187	13,483	26,747
Pension and other postretirement benefits activity, net of tax (expense) benefit	18,006	(7,635)	9,190
Total other comprehensive income	21,236	5,039	35,723
COMPREHENSIVE INCOME	490,443	452,359	494,584
Less: Comprehensive income attributable to noncontrolling interests	18,933	26,101	33,892
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ 471,510	$ 426,258	$ 460,692