Annual report pursuant to Section 13 and 15(d)

PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Accumulated benefit obligations in excess of fair value of plan assets (Details)

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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Accumulated benefit obligations in excess of fair value of plan assets (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Pension benefits    
Accumulated benefit obligations in excess of the fair value of plan assets    
Accumulated Benefit Obligations $ 880 $ 6,689
Fair value of plan assets 138 5,584
Other benefits    
Accumulated benefit obligations in excess of the fair value of plan assets    
Accumulated Benefit Obligations 166 696
Fair value of plan assets $ 0 $ 419