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Annual report pursuant to Section 13 and 15(d)

COMMITMENTS AND CONTINGENCIES - Environmental Obligations (Details)

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COMMITMENTS AND CONTINGENCIES - Environmental Obligations (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract] Ìý Ìý
Environmental obligations $ 207 $ 135
Less current portion 20 18
Long-term environmental obligations $ 187 $ 117