CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (APSC) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net unrealized gain (loss), tax benefit (expense)	$ 105	$ (1,781)	$ 67	$ 14,770
Reclassification of net realized loss, tax benefit	2,824	9,090	6,124	14,818
Pension and other postretirement benefits activity, tax expense (benefit)	(449)	526	182	1,157
ARIZONA PUBLIC SERVICE COMPANY
Net unrealized gain (loss), tax benefit (expense)	105	(1,781)	67	14,773
Reclassification of net realized loss, tax benefit	2,824	9,092	6,124	14,820
Pension and other postretirement benefits activity, tax expense (benefit)	$ (399)	$ 305	$ 177	$ 841