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Long-Term Debt and Liquidity Matters (Tables)
 12 Months Ended
Dec. 31, 2022
Debt Disclosure [Abstract]  
Schedule of Components of long-term debt on the Consolidated Balance Sheets The following table presents the components of long-term debt on the Consolidated Balance Sheets outstanding (dollars in thousands):
 MaturityInterestDecember 31,
 Dates (a)Rates20222021
APS    
Pollution control bonds:    
Variable2029(b)$163,975 $35,975 
Total pollution control bonds  163,975 35,975 
Senior unsecured notes2024-2050
2.20%-6.88%
6,680,000 6,280,000 
Unamortized discount  (14,548)(14,995)
Unamortized premium  12,368 13,575 
Unamortized debt issuance cost(48,266)(47,862)
Total APS long-term debt  6,793,529 6,266,693 
Less current maturities — — 
Total APS long-term debt less current maturities  6,793,529 6,266,693 
BCE
Los Alamitos equity bridge loan(d)(d)27,575 — 
Los Alamitos construction facility(e)(e)23,110 — 
Unamortized debt issuance cost(135)— 
Total BCE long-term debt50,550 — 
Less current maturities50,685 — 
Total BCE long-term debt less current maturities(135)— 
Pinnacle West    
Senior unsecured notes20251.3%500,000 500,000 
Term loans2024(c)450,000 300,000 
Unamortized discount(25)(34)
Unamortized debt issuance cost(2,083)(2,924)
Total Pinnacle West long-term debt947,892 797,042 
Less current maturities— 150,000 
Total Pinnacle West long-term debt less current maturities947,892 647,042 
TOTAL LONG-TERM DEBT LESS CURRENT MATURITIES
$7,741,286 $6,913,735 
(a)    This schedule does not reflect the timing of redemptions that may occur prior to maturities.
(b)    The weighted-average interest rate for the variable rate pollution control bonds was 3.96% at December 31, 2022, and 0.22% at December 31, 2021. See additional details below.
(c)    The weighted-average interest rate was 5.1% at December 31, 2022, and 0.81% at December 31, 2021. See additional details below.
(d)    The weighted-average interest rate for the variable rate equity bridge loan is 5.18% at December 31, 2022 and will mature on the project’s commercial operation date, expected on or before August 15, 2023. See additional details below.
(e)    The weighted-average interest rate for the variable rate construction facility is 5.71% at December 31, 2022 and will mature on the project’s commercial operation date, expected on or before August 15, 2023. See additional details below.
Schedule of Principal payments due on Pinnacle West's and APS's total long-term debt
The following table shows principal payments due on Pinnacle West’s, APS’s and BCE’s total long-term debt (dollars in thousands):
YearConsolidated
Pinnacle West		Consolidated
APS
BCE
2023$50,685 $— $50,685 
2024700,000 250,000 — 
2025800,000 300,000 — 
2026250,000 250,000 — 
2027300,000 300,000 — 
Thereafter5,743,975 5,743,975 — 
Total$7,844,660 $6,843,975 $50,685 
Schedule of estimated fair value of long-term debt, including current maturities The following table represents the estimated fair value of our long-term debt, including current maturities (dollars in thousands):
 As of
December 31, 2022		As of
December 31, 2021
 Carrying
Amount		Fair ValueCarrying
Amount		Fair Value
Pinnacle West$947,892 $905,525 $797,042 $792,735 
APS6,793,529 5,629,491 6,266,693 6,933,619 
BCE50,550 50,685 — — 
Total$7,791,971 $6,585,701 $7,063,735 $7,726,354