XML 151 R121.htm IDEA: XBRL DOCUMENT v3.24.0.1
VARIABLE INTEREST ENTITIES - Assets and Liabilities Related to VIE (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Assets:    
Property, plant and equipment, net $ 23,595.1 $ 22,136.5
Variable Interest Entities    
Assets:    
Property, plant and equipment, net 133.6 140.7
Evergy Kansas Central    
Assets:    
Property, plant and equipment, net 11,988.3 11,080.8
Evergy Kansas Central | Variable Interest Entities    
Assets:    
Property, plant and equipment, net $ 133.6 $ 140.7