v3.26.1
ORGANIZATION AND BASIS OF PRESENTATION - Dividends Declared (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended
Jul. 31, 2026
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Dividends Payable [Line Items]          
Dividends declared on common stock (in dollars per share)   $ 0.6950 $ 0.6950 $ 0.6675 $ 0.6675
Subsequent Event          
Dividends Payable [Line Items]          
Dividends declared on common stock (in dollars per share) $ 0.6950        
Subsequent Event | Evergy Kansas Central          
Dividends Payable [Line Items]          
Dividends payable $ 150.0