CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
NET INCOME	$ 461,527	$ 456,190	$ 423,696
Derivative instruments:
Net unrealized loss, net of tax benefit (expense)	(538)	(957)	(810)
Reclassification of net realized loss, net of tax benefit	2,941	4,187	13,483
Pension and other postretirement benefits activity, net of tax (expense) benefit	(1,477)	20,163	(2,761)
Total other comprehensive income	926	23,393	9,912
COMPREHENSIVE INCOME	462,453	479,583	433,608
Less: Comprehensive income attributable to noncontrolling interests	19,493	18,933	26,101
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	442,960	460,650	407,507
ARIZONA PUBLIC SERVICE COMPANY
NET INCOME	481,634	469,207	447,320
Derivative instruments:
Net unrealized loss, net of tax benefit (expense)	(538)	(957)	(809)
Reclassification of net realized loss, net of tax benefit	2,941	4,187	13,483
Pension and other postretirement benefits activity, net of tax (expense) benefit	(729)	18,006	(7,635)
Total other comprehensive income	1,674	21,236	5,039
COMPREHENSIVE INCOME	483,308	490,443	452,359
Less: Comprehensive income attributable to noncontrolling interests	19,493	18,933	26,101
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ 463,815	$ 471,510	$ 426,258