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FAIR VALUE MEASUREMENTS (Recognized Assets and Liabilities at Fair Value) (Details) - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014 | Apr. 18, 2014
--- | --- | --- | ---
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Available-for-sale equity securities | $ 6 | $ 9 |
Contingent consideration |  |  | $ 26
Recurring Basis [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Trading securities | 49 | 49 |
Cash surrender value of life insurance policies | 29 | 30 |
Available-for-sale equity securities | 6 | 9 |
Total assets | 107 | 106 |
Deferred compensation liabilities | 85 | 85 |
Contingent consideration | 3 | 17 |
Total liabilities | 94 | 135 |
Recurring Basis [Member] | Level 1 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Trading securities | 49 | 49 |
Available-for-sale equity securities | 6 | 9 |
Total assets | 55 | 58 |
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 | 29 | 30 |
Available-for-sale equity securities |  | 0 |
Total assets | 52 | 47 |
Deferred compensation liabilities | 85 | 85 |
Contingent consideration | 0 | 0 |
Total liabilities | 91 | 113 |
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 | 1 |
Contingent consideration | 3 | 17 |
Total liabilities | 3 | 22 |
Recurring Basis [Member] | Interest Rate Swaps [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative asset | 23 | 17 |
Derivative instruments, liabilities | 6 | 13 |
Recurring Basis [Member] | Interest Rate Swaps [Member] | Level 1 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative asset |  | 0 |
Recurring Basis [Member] | Interest Rate Swaps [Member] | Level 2 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative asset | 23 | 17 |
Derivative instruments, liabilities | $ 6 | 13 |
Recurring Basis [Member] | Interest Rate Swaps [Member] | Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative asset |  | 0 |
Recurring Basis [Member] | Put Option [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative asset |  | 1 |
Recurring Basis [Member] | Put Option [Member] | Level 2 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative asset |  | 0 |
Recurring Basis [Member] | Put Option [Member] | Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative asset |  | 1 |
Recurring Basis [Member] | Forward Starting Interest Rate Swaps [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative instruments, liabilities |  | 15 |
Recurring Basis [Member] | Forward Starting Interest Rate Swaps [Member] | Level 1 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative instruments, liabilities |  | 0 |
Recurring Basis [Member] | Forward Starting Interest Rate Swaps [Member] | Level 2 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative instruments, liabilities |  | 15 |
Recurring Basis [Member] | Forward Starting Interest Rate Swaps [Member] | Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative instruments, liabilities |  | 0 |
Recurring Basis [Member] | Call Option [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative instruments, liabilities |  | 5 |
Recurring Basis [Member] | Call Option [Member] | Level 2 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative instruments, liabilities |  | 0 |
Recurring Basis [Member] | Call Option [Member] | Level 3 [Member] |  |  |
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |  |  |
Derivative instruments, liabilities |  | $ 5 |

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