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SUPPLEMENTAL CASH FLOW & OTHER DATA (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Supplemental Cash Flow Elements [Abstract]        
Depreciation expense $ 48 $ 44 $ 93 $ 87
Amortization expense 18 17 35 36
Depreciation and amortization expense 66 61 128 123
Interest expense (38) (35) (75) (71)
Interest income 0 1 1 1
Interest expense, net (38) (34) (74) (70)
Interest paid 31 22 77 75
Income taxes paid 105 117 113 121
Accounts payable associated with capital expenditures 13 12 13 12
Dividends payable 62 56 62 56
Fair value of assets acquired 113   114 135
Fair value of liabilities assumed 0 0 0 0
Fair value of net assets acquired 113   114 135
Merger consideration paid (payable), net (2) 0 (2) 0
Cash paid for business acquisitions 111 0 112 135
Less: Cash acquired 0 $ 0 0 0
Business acquisitions, net of cash acquired $ 111   $ 112 $ 135