v3.26.1
LONG-TERM DEBT (Details) - USD ($)
$ in Millions
1 Months Ended
Jun. 30, 2026
Mar. 31, 2026
5.65% $300M WE Debentures due 03/15/2056    
Debt Instrument [Line Items]    
Proceeds from issuance of debt   $ 300.0
Interest rate on long-term debt   5.65%
4.65% $400M WE Debentures due 06/15/2031    
Debt Instrument [Line Items]    
Proceeds from issuance of debt $ 400.0  
Interest rate on long-term debt 4.65%  
5.10% $400M WE Debentures due 06/15/2036    
Debt Instrument [Line Items]    
Proceeds from issuance of debt $ 400.0  
Interest rate on long-term debt 5.10%