Annual report pursuant to Section 13 and 15(d)

BENEFIT PLANS - Expected Future Benefit Payments (Details)

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BENEFIT PLANS - Expected Future Benefit Payments (Details) - Pension Benefits
$ in Millions
Dec. 31, 2019
USD ($)
Estimated Future Benefit Payments [Abstract]  
2019 $ 54
2020 52
2021 50
2022 49
2023 49
2024 through 2028 $ 240