SUPPLEMENTAL CASH FLOW & OTHER DATA (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Supplemental Cash Flow Elements [Abstract]
Depreciation expense	$ 45	$ 57	$ 132	$ 169
Amortization expense	18	20	54	61
Depreciation and amortization expense	63	77	186	230
Interest expense	(37)	(35)	(108)	(118)
Interest income	0	0	1	1
Interest expense, net	(37)	(35)	(107)	(117)
Interest paid	41	52	116	151
Income taxes paid	141	140	262	249
Assets acquired under capital leases	0	0	0	2
Accounts payable associated with capital expenditures	11	11	11	11
Dividends payable	56	55	56	55
Fair value of assets acquired	4	35	139	37
Fair value of liabilities assumed	0	0	0	0
Fair value of net assets acquired	4	35	139	37
Merger consideration paid (payable), net	0	0	0	4
Cash paid for business acquisitions	4	35	139	41
Less: Cash acquired	0	0	0	0
Business acquisitions, net of cash acquired	$ 4	$ 35	$ 139	$ 41