XML 97 R83.htm IDEA: XBRL DOCUMENT v3.21.2
RETIREMENT PLANS Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Defined Benefit Plan Disclosure [Line Items]    
Pension plan contributions $ 0 $ 0
Non Qualified    
Defined Benefit Plan Disclosure [Line Items]    
Benefits paid $ 11