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RETIREMENT PLANS Net Periodic Pension Expense for Qualified and Nonqualified U.S. Defined Benefit Plans (Details) - U.S. plans - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 21 $ 26 $ 64 $ 78
Interest cost 85 84 254 251
Expected return on plan assets (162) (177) (487) (543)
Actuarial loss 21 35 65 114
Amortization of prior service cost 6 5 17 16
Net periodic pension expense (income) $ (29) $ (27) $ (87) $ (84)