v3.26.1
FAIR VALUE MEASUREMENTS - Recognized Assets and Liabilities at Fair Value) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Deferred compensation trading securities $ 84 $ 78
Cash surrender value of life insurance policies 67 72
Equity investments   2
Fixed-to-variable interest rate swaps 3 14
Total 154 166
Deferred compensation liabilities 152 150
Contingent consideration 99 96
Fixed-to-variable interest rate swaps 2  
Total 253 246
Redeemable noncontrolling interest 79 80
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 84 78
Cash surrender value of life insurance policies 0 0
Equity investments   2
Fixed-to-variable interest rate swaps 0 0
Total 84 80
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 67 72
Equity investments   0
Fixed-to-variable interest rate swaps 3 14
Total 70 86
Deferred compensation liabilities 152 150
Contingent consideration 0 0
Fixed-to-variable interest rate swaps 2  
Total 154 150
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 0
Total 0 0
Deferred compensation liabilities 0 0
Contingent consideration 99 96
Fixed-to-variable interest rate swaps 0  
Total 99 96
Redeemable noncontrolling interest $ 79 $ 80