Lines of Credit and Short-Term Borrowings (Tables)

12 Months Ended

Dec. 31, 2024

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, 2024						December 31, 2023
	Pinnacle West		APS		Total		Pinnacle West		APS		Total
Commitments under Credit and Term Loan Facilities	$	400,000	$	1,650,000	$	2,050,000	$	200,000	$	1,250,000	$	1,450,000
Outstanding short-term borrowings	(228,550)		(339,900)		(568,450)		(76,650)		(532,850)		(609,500)
Amount of Credit and Term Loan Facilities Available	$	171,450	$	1,310,100	$	1,481,550	$	123,350	$	717,150	$	840,500
Weighted-Average Commitment Fees	0.225%		0.175%				0.170%		0.120%