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Annual report pursuant to Section 13 and 15(d)

PENSION AND OTHER POSTRETIREMENT BENEFITS - Obligations and Funded Status (Details)

v3.22.4
PENSION AND OTHER POSTRETIREMENT BENEFITS - Obligations and Funded Status (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Amounts recognized in Statements of Financial Position: Ìý Ìý Ìý
Pension and OPEB, asset $ 356 $ 223 Ìý
Amounts recognized in accumulated other comprehensive loss (income): Ìý Ìý Ìý
Accumulated benefit obligation 4,628 6,013 Ìý
Pension Benefits Ìý Ìý Ìý
Change in benefit obligations: Ìý Ìý Ìý
Benefit obligations — beginning of year 6,036 6,565 Ìý
Service cost 45 56 $ 23
Interest cost 144 103 64
Plan amendments 122 0 Ìý
Actuarial gain (1,236) (131) Ìý
Benefits paid (431) (456) Ìý
Participant contributions 0 0 Ìý
Effect of settlement (34) (101) Ìý
Other 0 0 Ìý
Benefit obligations — end of year 4,646 6,036 6,565
Change in plan assets: Ìý Ìý Ìý
Fair value of plan assets — beginning of year 5,606 5,332 Ìý
Actual return on plan assets (809) 668 Ìý
Participant contributions 0 0 Ìý
Employer contributions 6 163 Ìý
Benefits paid (431) (456) Ìý
Effect of settlement (34) (101) Ìý
Fair value of plan assets — end of year 4,338 5,606 5,332
Funded status (308) (430) Ìý
Amounts recognized in Statements of Financial Position: Ìý Ìý Ìý
Pension and OPEB, asset 195 153 Ìý
Current liabilities (30) (5) Ìý
Non-current liabilities (473) (578) Ìý
Total amount recognized (308) (430) Ìý
Amounts recognized in accumulated other comprehensive loss (income): Ìý Ìý Ìý
Net actuarial gain (361) (286) Ìý
Prior service cost (credit) 121 5 Ìý
Net amount recognized (240) (281) Ìý
OPEB Ìý Ìý Ìý
Change in benefit obligations: Ìý Ìý Ìý
Benefit obligations — beginning of year 3,254 3,757 Ìý
Service cost 35 51 8
Interest cost 72 74 19
Plan amendments (163) 8 Ìý
Actuarial gain (1,781) (456) Ìý
Benefits paid (232) (227) Ìý
Participant contributions 47 47 Ìý
Effect of settlement 0 0 Ìý
Other 1 0 Ìý
Benefit obligations — end of year 1,233 3,254 3,757
Change in plan assets: Ìý Ìý Ìý
Fair value of plan assets — beginning of year 812 783 Ìý
Actual return on plan assets (97) 29 Ìý
Participant contributions 47 47 Ìý
Employer contributions 198 180 Ìý
Benefits paid (232) (227) Ìý
Effect of settlement 0 0 Ìý
Fair value of plan assets — end of year 728 812 $ 783
Funded status (505) (2,442) Ìý
Amounts recognized in Statements of Financial Position: Ìý Ìý Ìý
Pension and OPEB, asset 161 71 Ìý
Current liabilities (81) (130) Ìý
Non-current liabilities (585) (2,383) Ìý
Total amount recognized (505) (2,442) Ìý
Amounts recognized in accumulated other comprehensive loss (income): Ìý Ìý Ìý
Net actuarial gain (1,996) (392) Ìý
Prior service cost (credit) (156) 4 Ìý
Net amount recognized $ (2,152) $ (388) Ìý