SHAREHOLDERS' EQUITY - Additional Information (Detail) - USD ($) shares in Millions, $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Stockholders Equity Note [Line Items]
Common stock, share repurchase, dollar amount	$ 847	$ 601
Remaining common stock available for purchase under share repurchase authorizations	51.9
Share Repurchase Program
Stockholders Equity Note [Line Items]
Stock acquired under share repurchase program, shares	17.2	13.4
Common stock, share repurchase, dollar amount	$ 847	$ 601