SHAREHOLDERS' EQUITY - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Stockholders Equity Note [Line Items]
Common stock, share repurchase, dollar amount	$ 287	$ 10
Share Repurchase Authorization 2008
Stockholders Equity Note [Line Items]
Common stock, share repurchase	5,300,000	0
Common stock, share repurchase, dollar amount	$ 279
Remaining common stock available for purchase under share repurchase authorizations	17,200,000