CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (APSC) (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net unrealized loss, tax benefit	$ 140	$ 14,900	$ 37,389
Reclassification of net realized loss, tax benefit	17,472	39,120	46,288
Pension and other postretirement benefits activity, tax (expense) benefit	(6,156)	(651)	3,935
ARIZONA PUBLIC SERVICE COMPANY
Net unrealized loss, tax benefit	140	14,888	37,397
Reclassification of net realized loss, tax benefit	17,472	39,119	46,298
Pension and other postretirement benefits activity, tax (expense) benefit	$ (6,003)	$ 408	$ 1,910