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FAIR VALUE MEASUREMENTS (Recognized Assets and Liabilities at Fair Value) (Details) - Recurring Basis [Member] - USD ($) $ in Millions | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |
Trading securities | $ 56 | $ 58
Cash surrender value of life insurance policies | 38 | 37
Equity securities |  | 2
Total assets | 94 | 97
Interest rate swaps | 121 | 89
Deferred compensation liabilities | 101 | 103
Contingent consideration | 20 | 7
Total liabilities | 242 | 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 | 56 | 58
Cash surrender value of life insurance policies | 0 | 0
Equity securities |  | 2
Total assets | 56 | 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 | 38 | 37
Equity securities |  | 0
Total assets | 38 | 37
Interest rate swaps | 121 | 89
Deferred compensation liabilities | 101 | 103
Contingent consideration | 0 | 0
Total liabilities | 222 | 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
Total assets | 0 |
Interest rate swaps | 0 | 0
Deferred compensation liabilities | 0 | 0
Contingent consideration | 20 | 7
Total liabilities | $ 20 | $ 7

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