RECENT ACCOUNTING PRONOUNCEMENTS (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle
INCOME TAX PROVISION	$ 47	$ 39
NET INCOME	$ 80	65
Accounting Standards Update 2016-09
New Accounting Pronouncements or Change in Accounting Principle
INCOME TAX PROVISION		39
NET INCOME		65
Accounting Standards Update 2016-09 | Reported
New Accounting Pronouncements or Change in Accounting Principle
INCOME TAX PROVISION		40
NET INCOME		64
Accounting Standards Update 2016-09 | Adjustment
New Accounting Pronouncements or Change in Accounting Principle
INCOME TAX PROVISION		(1)
NET INCOME		$ 1