FAIR VALUE MEASUREMENTS (Recognized Assets and Liabilities at Fair Value) (Details) - Recurring Basis [Member] - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	$ 57	$ 58
Cash surrender value of life insurance policies	36	37
Equity securities	2	2
Total assets	95	97
Interest rate swaps	114	89
Deferred compensation liabilities	102	103
Contingent consideration	20	7
Total liabilities	236	199
Quoted Prices in Active Markets for Identical Assets / Liabilities, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	57	58
Cash surrender value of life insurance policies	0	0
Equity securities	2	2
Total assets	59	60
Interest rate swaps	0	0
Deferred compensation liabilities	0	0
Contingent consideration	0	0
Total liabilities	0	0
Significant Other Observable Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Cash surrender value of life insurance policies	36	37
Equity securities	0	0
Total assets	36	37
Interest rate swaps	114	89
Deferred compensation liabilities	102	103
Contingent consideration	0	0
Total liabilities	216	192
Significant Unobservable Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	0	0
Cash surrender value of life insurance policies	0	0
Equity securities	0	0
Total assets	0
Interest rate swaps	0	0
Deferred compensation liabilities	0	0
Contingent consideration	20	7
Total liabilities	$ 20	$ 7