SHAREHOLDERS' EQUITY - Additional Information (Detail) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Stockholders Equity Note [Line Items]
Common stock, share repurchase, dollar amount	$ 490	$ 296
Remaining common stock available for purchase under share repurchase authorizations	58.8
Share Repurchase Program
Stockholders Equity Note [Line Items]
Stock acquired in open market, shares	10.2	6.6
Common stock, share repurchase, dollar amount	$ 490	$ 296