CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (APSC) (USD $) In Thousands, unless otherwise specified	Total	ARIZONA PUBLIC SERVICE COMPANY	COMMON STOCK	COMMON STOCK ARIZONA PUBLIC SERVICE COMPANY	ADDITIONAL PAID-IN CAPITAL ARIZONA PUBLIC SERVICE COMPANY	RETAINED EARNINGS	RETAINED EARNINGS ARIZONA PUBLIC SERVICE COMPANY	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)	ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) ARIZONA PUBLIC SERVICE COMPANY	NONCONTROLLING INTERESTS	NONCONTROLLING INTERESTS ARIZONA PUBLIC SERVICE COMPANY	COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDER	COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDER ARIZONA PUBLIC SERVICE COMPANY
Balance at Dec. 31, 2010			$ 2,421,372			$ 1,423,961	$ 1,403,390	$ (159,767)	$ (136,295)	$ 91,899	$ 91,084
Increase (Decrease) in Shareholders' Equity
Net income attributable to common shareholders	339,473	336,249				339,473	336,249					339,473	336,249
Dividends on common stock						(228,951)	(228,900)
Net income attributable to noncontrolling interests	27,467	27,524								(27,467)	27,524
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDER
Other comprehensive income attributable to common shareholders	7,605	10,704						7,604	10,704			7,605	10,704
Total comprehensive income attributable to common shareholders	347,078	346,953										347,078	346,953
Net capital activities by noncontrolling interests										(10,630)	(10,209)
Other							1
Balance at Dec. 31, 2011	3,930,586	4,051,406	2,444,247	178,162	2,379,696	1,534,483	1,510,740	(152,163)	(125,591)	108,736	108,399
Increase (Decrease) in Shareholders' Equity
Net income attributable to common shareholders	(8,257)	(4,105)
Balance at Mar. 31, 2012
Balance at Dec. 31, 2011	3,930,586	4,051,406	2,444,247	178,162	2,379,696	1,534,483	1,510,740	(152,163)	(125,591)	108,736	108,399
Increase (Decrease) in Shareholders' Equity
Net income attributable to common shareholders	381,542	395,497				381,542	395,497					381,542	395,497
Dividends on common stock						(291,923)	(282,000)
Net income attributable to noncontrolling interests	31,622	31,613								(31,622)	31,613
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDER
Other comprehensive income attributable to common shareholders	38,155	36,496						38,155	36,496			38,155	36,496
Total comprehensive income attributable to common shareholders	419,697	431,993										419,697	431,993
Net capital activities by noncontrolling interests										(10,875)	(10,529)
Balance at Dec. 31, 2012	4,102,289	4,222,483	2,466,923	178,162	2,379,696	1,624,102	1,624,237	(114,008)	(89,095)	129,483	129,483
Balance at Sep. 30, 2012
Increase (Decrease) in Shareholders' Equity
Net income attributable to common shareholders	22,631	26,843
Balance at Dec. 31, 2012	4,102,289	4,222,483	2,466,923	178,162	2,379,696
Increase (Decrease) in Shareholders' Equity
Net income attributable to common shareholders	24,444	26,042
Balance at Mar. 31, 2013
Balance at Dec. 31, 2012	4,102,289	4,222,483	2,466,923	178,162	2,379,696	1,624,102	1,624,237	(114,008)	(89,095)	129,483	129,483
Increase (Decrease) in Shareholders' Equity
Net income attributable to common shareholders	406,074	424,969				406,074	424,969					406,074	424,969
Dividends on common stock						(244,903)	(244,800)
Net income attributable to noncontrolling interests	33,892	33,892								(33,892)	33,892
COMPREHENSIVE INCOME ATTRIBUTABLE TO COMMON SHAREHOLDER
Other comprehensive income attributable to common shareholders	35,955	35,723						35,955	35,723			35,955	35,723
Total comprehensive income attributable to common shareholders	442,029	460,692										442,029	460,692
Net capital activities by noncontrolling interests										(17,385)	(17,385)
Other							(8)
Balance at Dec. 31, 2013	4,340,460	4,454,874	2,491,558	178,162	2,379,696	1,785,273	1,804,398	(78,053)	(53,372)	145,990	145,990
Balance at Sep. 30, 2013
Increase (Decrease) in Shareholders' Equity
Net income attributable to common shareholders	24,260	30,024
Balance at Dec. 31, 2013	$ 4,340,460	$ 4,454,874	$ 2,491,558	$ 178,162	$ 2,379,696