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Palo Verde Sale Leaseback Variable Interest Entities - Additional Information (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Trust
lease
Lease
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 1986
Trust
Palo Verde Sale Leaseback Variable Interest Entities        
Increase in net income due to consolidation of Palo Verde Sale Leaseback Trusts $ 17,224 $ 19,493 $ 19,493  
Arizona Public Service Company        
Palo Verde Sale Leaseback Variable Interest Entities        
Number of VIE lessor trusts | Trust 3      
Increase in net income due to consolidation of Palo Verde Sale Leaseback Trusts $ 17,224 19,493 19,493  
Arizona Public Service Company | Variable Interest Entity        
Palo Verde Sale Leaseback Variable Interest Entities        
Number of VIE lessor trusts | Trust       3
Increase in net income due to consolidation of Palo Verde Sale Leaseback Trusts 17,000 $ 19,000 $ 19,000  
Initial loss exposure to the VIEs noncontrolling equity participants during lease extension period 315,000      
Maximum loss exposure to the VIE's noncontrolling equity participants during lease extension period $ 501,000      
Arizona Public Service Company | Period Through 2023 | Variable Interest Entity        
Palo Verde Sale Leaseback Variable Interest Entities        
Number of leases under which assets are retained | Lease 1      
Arizona Public Service Company | Period Through 2033 | Variable Interest Entity        
Palo Verde Sale Leaseback Variable Interest Entities        
Number of leases under which assets are retained | Lease 2      
Arizona Public Service Company | Period 2022 through 2023 | Variable Interest Entity        
Palo Verde Sale Leaseback Variable Interest Entities        
Number of leases under which assets are retained | lease 3      
Annual lease payments $ 21,000      
Lease period 2 years