FAIR VALUE MEASUREMENTS (Recognized Assets and Liabilities at Fair Value) (Details) - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale equity securities	$ 2	$ 3
Recurring Basis [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	58	51
Cash surrender value of life insurance policies	37	32
Available-for-sale equity securities	2	3
Total assets	97	86
Deferred compensation liabilities	103	91
Contingent consideration	7	3
Total liabilities	199	182
Recurring Basis [Member] | Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	58	51
Available-for-sale equity securities	2	3
Total assets	60	54
Contingent consideration	0	0
Recurring Basis [Member] | Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash surrender value of life insurance policies	37	32
Available-for-sale equity securities		0
Total assets	37	32
Deferred compensation liabilities	103	91
Contingent consideration	0	0
Total liabilities	192	179
Recurring Basis [Member] | Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Available-for-sale equity securities	0	0
Total assets	0	0
Contingent consideration	7	3
Total liabilities	7	3
Recurring Basis [Member] | Interest Rate Swaps [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative instruments, liabilities	89	88
Recurring Basis [Member] | Interest Rate Swaps [Member] | Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative instruments, liabilities	$ 89	$ 88