CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net unrealized loss, tax benefit (expense)	$ (342)	$ (438)	$ 140
Reclassification of net realized loss, tax benefit	1,801	7,932	17,472
Pension and other postretirement benefits activity, tax (expense) benefit	(13,302)	1,307	(6,156)
ARIZONA PUBLIC SERVICE COMPANY
Net unrealized loss, tax benefit (expense)	(342)	(438)	140
Reclassification of net realized loss, tax benefit	1,801	7,932	17,472
Pension and other postretirement benefits activity, tax (expense) benefit	$ (11,776)	$ 4,655	$ (6,003)