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RESTRUCTURING ACTIVITIES (Details) - Invigorate Program - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Restructuring Cost and Reserve [Line Items] |  |  |
Target percent for annual productivity savings | 3.00% |  |
Pre-tax restructuring charges | $ 11 | $ 6 |
Accounts Payable and Accrued Expenses |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring reserve | 15 |  | $ 13
Cost of services |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total restructuring charges | 6 | 4 |
Selling, general and administrative |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Total restructuring charges | $ 5 | $ 2 |

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