SHAREHOLDERS' EQUITY - Additional Information (Detail) shares in Millions	12 Months Ended
	Dec. 31, 2016 Vote shares	Dec. 31, 2015 shares	Dec. 31, 2014 shares
Stockholders Equity Note [Line Items]
Common stock, voting rights	are generally entitled to one vote per share until they have been held by the same beneficial owner for a continuous period of 48 months, at which time they become entitled to 10 votes per share.
Remaining common stock available for purchase under share repurchase authorizations | shares	26.8
Common Stock Votes Per Share Two | Vote	1
Share repurchase program
Stockholders Equity Note [Line Items]
Stock acquired in open market, shares | shares	21.6	21.2	19.7
Share Held For Continuous Forty Eight Month Period
Stockholders Equity Note [Line Items]
Voting rights, votes per share | Vote	10