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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2022
Earnings Per Share [Abstract]  
Schedule of earnings per weighted average common share outstanding
The following table presents the calculation of Pinnacle West’s basic and diluted earnings per share (in thousands, except per share amounts):
 202220212020
Net income attributable to common shareholders$483,602 $618,720 $550,559 
Weighted average common shares outstanding — basic113,196 112,910 112,666 
Net effect of dilutive securities:   
Contingently issuable performance shares and restricted stock units220 282 276 
Weighted average common shares outstanding — diluted113,416 113,192 112,942 
Earnings per weighted-average common share outstanding
Net income attributable to common shareholders — basic$4.27 $5.48 $4.89 
Net income attributable to common shareholders — diluted$4.26 $5.47 $4.87