FAIR VALUE MEASUREMENTS - Recognized Assets and Liabilities at Fair Value) (Details) - Recurring Basis - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deferred compensation trading securities	$ 72	$ 72
Cash surrender value of life insurance policies	62	64
Total	134	136
Deferred compensation liabilities	137	140
Contingent consideration	109	106
Fixed-to-variable interest rate swaps	6	34
Total	252	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	72	72
Cash surrender value of life insurance policies	0	0
Total	72	72
Deferred compensation liabilities	0	0
Contingent consideration	0	0
Fixed-to-variable interest rate swaps	0	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	62	64
Total	62	64
Deferred compensation liabilities	137	140
Contingent consideration	0	0
Fixed-to-variable interest rate swaps	6	34
Total	143	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
Total	0	0
Deferred compensation liabilities	0	0
Contingent consideration	109	106
Fixed-to-variable interest rate swaps	0	0
Total	109	106
Redeemable noncontrolling interest	$ 81	$ 83