Annual report pursuant to Section 13 and 15(d)

PENSIONS AND OTHER POSTRETIREMENT BENEFITS - Components Of Net Periodic Benefit Cost (Details)

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PENSIONS AND OTHER POSTRETIREMENT BENEFITS - Components Of Net Periodic Benefit Cost (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Amortization:      
Net periodic benefit cost (credit) $ (212) $ (210) $ (54)
Defined Benefit Plan, Expected Amounts [Abstract]      
Estimated net periodic benefit cost (159)    
Pension Benefits      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]      
Service cost 45 56 23
Interest cost 144 103 64
Expected return on plan assets (355) (359) (140)
Amortization:      
Net actuarial loss (gain) 13 32 27
Prior service costs (credits) 5 1 1
Settlements (8) (22) (6)
Net periodic benefit cost (credit) (156) (189) (31)
Defined Benefit Plan, Expected Amounts [Abstract]      
Estimated net periodic benefit cost (29)    
OPEB      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]      
Service cost 35 51 8
Interest cost 72 74 19
Expected return on plan assets (37) (40) (20)
Amortization:      
Net actuarial loss (gain) (43) 3 3
Prior service costs (credits) (3) (2) (2)
Settlements 0 0 0
Net periodic benefit cost (credit) 24 $ 86 $ 8
Defined Benefit Plan, Expected Amounts [Abstract]      
Estimated net periodic benefit cost $ (130)