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Quarterly report pursuant to Section 13 or 15(d)

ASSET RETIREMENT OBLIGATIONS - Summary Of Asset Retirement Obligations (Details)

v3.21.2
ASSET RETIREMENT OBLIGATIONS - Summary Of Asset Retirement Obligations (Details) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Jun. 30, 2020
Dec. 31, 2019
Environmental Exit Cost [Line Items] Ìý Ìý Ìý Ìý
Asset reitrement obligations $ 397 $ 342 $ 183 $ 165
Less: current portion 31 7 Ìý Ìý
Long-term asset retirement obligations 366 335 Ìý Ìý
Operating Segments Ìý Ìý Ìý Ìý
Environmental Exit Cost [Line Items] Ìý Ìý Ìý Ìý
Asset reitrement obligations $ 243 $ 190 Ìý Ìý