CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (APSC) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
NET INCOME	$ 130,111	$ 93,839	$ 129,630	$ 84,165
Derivative instruments:
Net unrealized gain (loss), net of tax benefit (expense) of $(1,781) and $6,449 for three months ended June 30, 2012 and 2011 and $14,773 and $6,059 for six months ended June 30, 2012 and 2011, respectively	2,728	(9,875)	(22,624)	(9,277)
Reclassification of net realized loss, net of tax benefit of $9,092 and $9,990 for three months ended June 30, 2012 and 2011 and $14,820 and $15,855 for six months ended June 30, 2012 and 2011, respectively	13,925	15,299	22,697	24,281
Pension and other postretirement benefits activity, net of tax expense $305 and $853 for three months ended June 30, 2012 and 2011 and $841 and $1,362 for six months ended June 30, 2012 and 2011, respectively	806	1,222	1,772	2,088
Total other comprehensive income	17,459	6,646	1,845	17,092
COMPREHENSIVE INCOME	147,570	100,485	131,475	101,257
Less: Comprehensive income attributable to noncontrolling interests	7,766	7,154	15,542	12,615
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDER	139,804	93,331	115,933	88,642
ARIZONA PUBLIC SERVICE COMPANY
NET INCOME	132,694	94,889	136,356	88,279
Derivative instruments:
Net unrealized gain (loss), net of tax benefit (expense) of $(1,781) and $6,449 for three months ended June 30, 2012 and 2011 and $14,773 and $6,059 for six months ended June 30, 2012 and 2011, respectively	2,727	(9,875)	(22,621)	(9,277)
Reclassification of net realized loss, net of tax benefit of $9,092 and $9,990 for three months ended June 30, 2012 and 2011 and $14,820 and $15,855 for six months ended June 30, 2012 and 2011, respectively	13,922	15,297	22,694	24,278
Pension and other postretirement benefits activity, net of tax expense $305 and $853 for three months ended June 30, 2012 and 2011 and $841 and $1,362 for six months ended June 30, 2012 and 2011, respectively	468	1,308	1,289	2,087
Total other comprehensive income	17,117	6,730	1,362	17,088
COMPREHENSIVE INCOME	149,811	101,619	137,718	105,367
Less: Comprehensive income attributable to noncontrolling interests	7,766	7,184	15,533	12,654
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDER	$ 142,045	$ 94,435	$ 122,185	$ 92,713