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FAIR VALUE MEASUREMENTS - Recognized Assets and Liabilities at Fair Value) (Details) - Recurring Basis - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Deferred compensation trading securities | $ 82 | $ 72
Cash surrender value of life insurance policies | 72 | 64
Equity investments | 3 |
Fixed-to-variable interest rate swaps | 18 |
Total | 175 | 136
Deferred compensation liabilities | 152 | 140
Contingent consideration | 114 | 106
Fixed-to-variable interest rate swaps |  | 34
Total | 266 | 280
Redeemable noncontrolling interest | 81 | 83
Quoted Prices in Active Markets for Identical Assets / Liabilities, Level 1 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Deferred compensation trading securities | 82 | 72
Cash surrender value of life insurance policies | 0 | 0
Equity investments | 3 |
Total | 85 | 72
Deferred compensation liabilities | 0 | 0
Contingent consideration | 0 | 0
Fixed-to-variable interest rate swaps |  | 0
Total | 0 | 0
Redeemable noncontrolling interest | 0 | 0
Significant Other Observable Inputs, Level 2 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Deferred compensation trading securities | 0 | 0
Cash surrender value of life insurance policies | 72 | 64
Equity investments | 0 |
Fixed-to-variable interest rate swaps | 18 |
Total | 90 | 64
Deferred compensation liabilities | 152 | 140
Contingent consideration | 0 | 0
Fixed-to-variable interest rate swaps |  | 34
Total | 152 | 174
Significant Unobservable Inputs, Level 3 |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Deferred compensation trading securities | 0 | 0
Cash surrender value of life insurance policies | 0 | 0
Equity investments | 0 |
Fixed-to-variable interest rate swaps | 0 |
Total | 0 | 0
Deferred compensation liabilities | 0 | 0
Contingent consideration | 114 | 106
Fixed-to-variable interest rate swaps |  | 0
Total | 114 | 106
Redeemable noncontrolling interest | $ 81 | $ 83

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