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BUSINESS DIVESTITURES AND ASSET SALES - Narrative (Details) | 12 Months Ended
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Dec. 31, 2021 USD ($) | Jan. 01, 2021 USD ($) | Jun. 28, 2019 USD ($) business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Number of business divested | business |  |  | 0
Assets of disposal group held for sale | $ 0 |  |
Liabilities of disposal group held for sale | 0 |  |
Business divestiture-related gains (losses) |  |  | $ 0
Held-for-sale or Disposed of by Sale |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Business divestiture-related gains (losses) | 220,000,000 | $ (51,000,000) |
Held-for-sale or Disposed of by Sale | VSE disposal group |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |
Assets of disposal group held for sale |  | 35,000,000 |
Liabilities of disposal group held for sale |  | 13,000,000 |
Business divestiture-related gains (losses) | $ (29,000,000) | $ (18,000,000) |

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