| **BUSINESS DIVESTITURES AND ASSET SALES - Narrative (Details)**                                                                   | 12 Months Ended |
|-----------------------------------------------------------------------------------------------------------------------------------|-----------------|
||
| **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) |   |

| X                                                                                                                                                                                                                                                                                                                                                             |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Gain (Loss) on Disposition of Business And Impairment Of Long-Lived Assets To Be Disposed Of
+ References
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| X                                                                                                                                                                                                                                        |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount classified as assets attributable to disposal group held for sale or disposed of.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
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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.
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No definition available.
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount classified as liabilities attributable to disposal group held for sale or disposed of.
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