FAIR VALUE MEASUREMENTS (Recognized Assets and Liabilities at Fair Value) (Details) - Recurring Basis - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	$ 56	$ 53
Cash surrender value of life insurance policies	39	34
Total assets	95	87
Interest rate swaps	77	93
Deferred compensation liabilities	103	96
Contingent consideration	19	14
Total liabilities	199	203
Quoted Prices in Active Markets for Identical Assets / Liabilities, Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	56	53
Cash surrender value of life insurance policies	0	0
Total assets	56	53
Interest rate swaps	0	0
Deferred compensation liabilities	0	0
Contingent consideration	0	0
Total liabilities	0	0
Significant Other Observable Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Cash surrender value of life insurance policies	39	34
Total assets	39	34
Interest rate swaps	77	93
Deferred compensation liabilities	103	96
Contingent consideration	0	0
Total liabilities	180	189
Significant Unobservable Inputs, Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Cash surrender value of life insurance policies	0	0
Total assets	0	0
Interest rate swaps	0	0
Deferred compensation liabilities	0	0
Contingent consideration	19	14
Total liabilities	$ 19	$ 14