RECENT ACCOUNTING PRONOUNCEMENTS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
New Accounting Pronouncements or Change in Accounting Principle
INCOME TAX PROVISION	$ 46	$ 28	$ 141	$ 109
NET INCOME	$ 82	51	$ 243	190
Accounting Standards Update 2016-09
New Accounting Pronouncements or Change in Accounting Principle
INCOME TAX PROVISION		28		109
NET INCOME		51		190
Accounting Standards Update 2016-09 | Reported
New Accounting Pronouncements or Change in Accounting Principle
INCOME TAX PROVISION		29		114
NET INCOME		50		185
Accounting Standards Update 2016-09 | Adjustment
New Accounting Pronouncements or Change in Accounting Principle
INCOME TAX PROVISION		(1)		(5)
NET INCOME		$ 1		$ 5