v3.22.4
PENSION AND OTHER POSTRETIREMENT BENEFIT PROGRAMS - Net Periodic Benefit Cost - Continuing Operations (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Net periodic benefit cost        
DefinedBenefitPlanNetPeriodicBenefitCostCreditSettlementGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleListNotDisclosedFlag       Settlement charges
Settlement charges $ (43) $ (1) $ (2) $ (46)
Pension benefits        
Net periodic benefit cost        
Service cost   75 87 83
Interest cost   97 72 95
Expected return on plan assets   (157) (143) (163)
Amortization of net losses and other deferred amounts   44 91 77
Curtailment gain   (13) 0 0
Other   1 (4) 0
Net periodic benefit cost   48 105 138
OPEB        
Net periodic benefit cost        
Service cost   1 1 1
Interest cost   4 4 6
Amortization of net losses and prior service credit   (14) (9) (18)
Net periodic benefit cost   $ (9) $ (4) $ (11)