FAIR VALUE MEASUREMENTS (Recognized Assets and Liabilities at Fair Value) (Details) - USD ($) $ in Millions	Sep. 30, 2015	Dec. 31, 2014	Apr. 18, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Contingent consideration			$ 26
Recurring Basis [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	$ 46	$ 49
Cash surrender value of life insurance policies	28	30
Available-for-sale equity securities	7	9
Total assets	115	106
Deferred compensation liabilities	81	85
Contingent consideration	3	17
Total liabilities	84	135
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets / Liabilities, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	46	49
Cash surrender value of life insurance policies	0	0
Available-for-sale equity securities	7	9
Total assets	53	58
Deferred compensation liabilities	0	0
Contingent consideration	0	0
Total liabilities	0	0
Recurring Basis [Member] | 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	28	30
Available-for-sale equity securities	0	0
Total assets	62	47
Deferred compensation liabilities	81	85
Contingent consideration	0	0
Total liabilities	81	113
Recurring Basis [Member] | 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
Available-for-sale equity securities	0	0
Total assets	0	1
Deferred compensation liabilities	0	0
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	34	17
Derivative instruments, liabilities		13
Recurring Basis [Member] | Interest Rate Swaps [Member] | Quoted Prices in Active Markets for Identical Assets / Liabilities, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	0	0
Derivative instruments, liabilities		0
Recurring Basis [Member] | Interest Rate Swaps [Member] | Significant Other Observable Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	34	17
Derivative instruments, liabilities		13
Recurring Basis [Member] | Interest Rate Swaps [Member] | Significant Unobservable Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	$ 0	0
Derivative instruments, liabilities		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] | Quoted Prices in Active Markets for Identical Assets / Liabilities, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset		0
Recurring Basis [Member] | Put Option [Member] | Significant Other Observable Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset		0
Recurring Basis [Member] | Put Option [Member] | Significant Unobservable Inputs, 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] | Quoted Prices in Active Markets for Identical Assets / Liabilities, 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] | Significant Other Observable Inputs, 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] | Significant Unobservable Inputs, 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] | Quoted Prices in Active Markets for Identical Assets / Liabilities, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative instruments, liabilities		0
Recurring Basis [Member] | Call Option [Member] | Significant Other Observable Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative instruments, liabilities		0
Recurring Basis [Member] | Call Option [Member] | Significant Unobservable Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative instruments, liabilities		$ 5