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PENSION AND OTHER POST-EMPLOYMENT BENEFITS - Estimated Future Benefit Payments (Details) $ in Millions | Dec. 31, 2022 USD ($)
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Pension |
Estimated Future Benefit Payments |
2023 | $ 583
2024 | 587
2025 | 597
2026 | 605
2027 | 612
Years 2028-2031 | 3,120
OPEB |
Estimated Future Benefit Payments |
2023 | 44
2024 | 42
2025 | 40
2026 | 39
2027 | 37
Years 2028-2031 | 167
Defined Benefit Plan, Expected Future Prescription Drug Subsidy Receipt [Abstract] |
2023 | (1)
2024 | (1)
2025 | (1)
2026 | 0
2027 | 0
Years 2028-2031 | $ (2)

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