Other Income and Other Expense (APSC) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other income:
Interest income	$ 1,629	$ 1,239	$ 1,850
Investment gains - net			1,165
Miscellaneous	75	367	96
Total other income	1,704	1,606	3,111
Other expense:
Non-operating costs	(8,207)	(7,777)	(7,037)
Miscellaneous	(4,106)	(9,612)	(3,414)
Total other expense	(16,024)	(19,842)	(10,451)
ARIZONA PUBLIC SERVICE COMPANY
Other income:
Interest income	1,234	310	406
Investment gains - net			1,418
Miscellaneous	2,662	2,558	3,247
Total other income	3,896	2,868	5,071
Other expense:
Non-operating costs	(9,626)	(8,706)	(8,810)
Asset dispositions	(4,992)	(1,511)	(1,352)
Miscellaneous	(5,831)	(10,933)	(5,166)
Total other expense	$ (20,449)	$ (21,150)	$ (15,328)