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Long-Term Debt and Liquidity Matters (Tables)
3 Months Ended
Mar. 31, 2023
Debt Disclosure [Abstract]  
Schedule of Estimated Fair Value of Long-Term Debt, Including Current Maturities The following table presents the estimated fair value of our long-term debt, including current maturities (dollars in thousands):
 As of March 31, 2023As of December 31, 2022
 Carrying
Amount
Fair ValueCarrying
Amount
Fair Value
Pinnacle West$1,123,101 $1,084,455 $947,892 $905,525 
APS6,794,124 5,898,167 6,793,529 5,629,491 
BCE60,150 60,821 50,550 50,685 
Total$7,977,375 $7,043,443 $7,791,971 $6,585,701