GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Intangible assets, Cost	$ 1,410		$ 1,409
Intangible assets, Accumulated Amortization	(477)		(460)
Amortizing intangible assets, Net	933		949
Amortization expense	17	$ 19
Remainder of 2017	52
Future Amortization Expense, 2018	65
Future Amortization Expense, 2019	64
Future Amortization Expense, 2020	64
Future Amortization Expense, 2021	58
Future Amortization Expense, 2022	55
Future Amortization Expense, Thereafter	339
Future Amortization Expense, Total	697
Intangible Assets Not Subject to Amortization - Tradenames [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Intangible assets, Cost	235		235
Amortizing intangible assets, Net	235		235
Intangible Assets Not Subject to Amortization - Other [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Intangible assets, Cost	1		1
Amortizing intangible assets, Net	$ 1		1
Customer-related intangibles [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Weighted Average Amortization Period	18 years
Intangible assets, Cost	$ 971		971
Intangible assets, Accumulated Amortization	(359)		(346)
Amortizing intangible assets, Net	$ 612		625
Noncompete Agreements [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Weighted Average Amortization Period	6 years
Intangible assets, Cost	$ 7		6
Intangible assets, Accumulated Amortization	(5)		(4)
Amortizing intangible assets, Net	$ 2		2
Technology [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Weighted Average Amortization Period	18 years
Intangible assets, Cost	$ 93		93
Intangible assets, Accumulated Amortization	(41)		(40)
Amortizing intangible assets, Net	$ 52		53
Other [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Weighted Average Amortization Period	9 years
Intangible assets, Cost	$ 103		103
Intangible assets, Accumulated Amortization	(72)		(70)
Amortizing intangible assets, Net	$ 31		33
Total Amortizing Intangible Assets [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Weighted Average Amortization Period	18 years
Intangible assets, Cost	$ 1,174		1,173
Intangible assets, Accumulated Amortization	(477)		(460)
Amortizing intangible assets, Net	$ 697		$ 713