Other Income and Other Expense (APSC) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Other income:
Interest income	$ 495	$ 467	$ 746	$ 1,176
Miscellaneous	2,286	2	4,402	51
Total other income	2,781	469	5,148	1,227
Other expense:
Non-operating costs	(2,620)	(1,990)	(4,992)	(3,923)
Miscellaneous	2,217	(148)	46	(1,855)
Total other expense	(508)	(2,234)	(5,192)	(5,986)
ARIZONA PUBLIC SERVICE COMPANY
Other income:
Interest income	417	403	554	1,059
Miscellaneous	2,804	545	5,429	1,232
Total other income	3,221	948	5,983	2,291
Other expense:
Non-operating costs	(2,868)	(2,285)	(5,455)	(4,605)
Asset dispositions	(285)	(1,397)	(468)	(2,661)
Miscellaneous	1,676	(1,162)	(610)	(3,874)
Total other expense	$ (1,477)	$ (4,844)	$ (6,533)	$ (11,140)