| Submission | Nov. 07, 2024 | 
|---|---|
| Submission [Line Items] | |
| Central Index Key | 0000764622 | 
| Registrant Name | PINNACLE WEST CAPITAL CORP | 
| Registration File Number | 333-277448 | 
| Form Type | S-3 | 
| Submission Type | 424B5 | 
| Fee Exhibit Type | EX-FILING FEES | 
| Offerings - Offering: 1 | Nov. 07, 2024  USD ($) | 
|---|---|
| Offering: | |
| Fee Previously Paid | false | 
| Rule 457(r) | true | 
| Security Type | Equity | 
| Security Class Title | Common Stock | 
| Maximum Aggregate Offering Price | $ 900,000,000.00 | 
| Fee Rate | 0.01531% | 
| Amount of Registration Fee | $ 137,790.00 | 
| Offering Note | This registration fee table shall be deemed to update the "Calculation of Registration Fee" in the Registration Statement of Pinnacle West Capital Corporation (the "Registrant") on Form S-3ASR (File No. 333-277448) filed on February 28, 2024 in accordance with Rules 456(b) and 457(r) under the Securities Act of 1933. The prospectus supplement to which this Exhibit is attached is a final prospectus for the related offering. | 
| Fees Summary | Nov. 07, 2024  USD ($) | 
|---|---|
| Fees Summary [Line Items] | |
| Total Offering | $ 900,000,000.00 | 
| Previously Paid Amount | 0.00 | 
| Total Fee Amount | 137,790.00 | 
| Total Offset Amount | $ 0.00 | 
| Narrative Disclosure | |
| Net Fee | $ 137,790.00 | 
| Narrative - Max Aggregate Offering Price | $ 900,000,000.00 | 
| Final Prospectus | true |