Lines of Credit and Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2025

Debt Disclosure [Abstract]

Schedule of Consolidated Credit Facilities and Amounts Available and Outstanding

The table below presents the consolidated credit and term loan facilities and the amounts available and outstanding (dollars in thousands): 

	December 31, 2025						December 31, 2024
	Pinnacle West Consolidated		APS Consolidated		Total		Pinnacle West Consolidated		APS Consolidated		Total
Commitments under Revolving Credit and Term Loan Facilities	$	375,000	$	1,250,000	$	1,625,000	$	400,000	$	1,650,000	$	2,050,000
Outstanding short-term borrowings	(249,700)		(507,305)		(757,005)		(228,550)		(339,900)		(568,450)
Amount available under Revolving Credit and Term Loan Facilities	$	125,300	$	742,695	$	867,995	$	171,450	$	1,310,100	$	1,481,550
Weighted-Average Commitment Fees	0.225%		0.175%				0.225%		0.175%