GOODWILL AND INTANGIBLE ASSETS (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Goodwill, balance at beginning of year	$ 5,649	$ 5,536
Goodwill acquired during the year	383	150
Write-off associated with sale of business during the year	0	(37)
Goodwill, balance at end of year	6,032	5,649
Intangible assets, gross excluding goodwill	1,487	1,218
Accumulated amortization, intangible assets	(416)	(322)
Total intangible assets, net	1,071	896
Future amortization expense, 2015	85
Future amortization expense, 2016	74
Future amortization expense, 2017	71
Future amortization expense, 2018	64
Future amortization expense, 2019	62
Future amortization expense, thereafter	470
Future amortization expense, total	826
Intangible Assets Not Subject to Amortization - Tradenames [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Intangible assets, gross excluding goodwill	244	244
Total intangible assets, net	244	244
Intangible Assets Not Subject to Amortization - Other [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Intangible assets, gross excluding goodwill	1	1
Total intangible assets, net	1	1
Customer Relationships [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Weighted average amortization period	18 years
Intangible assets, gross excluding goodwill	929	670
Accumulated amortization, intangible assets	(259)	(210)
Total intangible assets, net	670	460
Non-compete Agreements [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Weighted average amortization period	4 years
Intangible assets, gross excluding goodwill	43	43
Accumulated amortization, intangible assets	(37)	(27)
Total intangible assets, net	6	16
Unpatented Technology [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Weighted average amortization period	14 years
Intangible assets, gross excluding goodwill	118	119
Accumulated amortization, intangible assets	(38)	(28)
Total intangible assets, net	80	91
Other Intangible Assets, Subject To Amortization [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Weighted average amortization period	8 years
Intangible assets, gross excluding goodwill	152	141
Accumulated amortization, intangible assets	(82)	(57)
Total intangible assets, net	70	84
Total Amortizing Intangible Assets [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Weighted average amortization period	16 years
Intangible assets, gross excluding goodwill	1,242	973
Accumulated amortization, intangible assets	(416)	(322)
Total intangible assets, net	826	651
Enterix [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Write-off associated with sale of business during the year		(37)
Intangible assets, gross excluding goodwill		14
Accumulated amortization, intangible assets		(8)
Total intangible assets, net		$ 6