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DIVESTITURES AND ACQUISITIONS - Bakersfield Office Building (Details) - USD ($) $ in Millions | 1 Months Ended | 2 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Apr. 30, 2018 | Dec. 31, 2020 | Oct. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Business Acquisition [Line Items] |  |  |  |  |
Acquisition cost |  | $ 0 | $ 0 | $ 6 | $ 547
Office building and land |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Acquisition cost | $ 48 |  |  |  |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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