TREASURY STOCK (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Mar. 31, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Equity [Abstract]
Stock Repurchase Program, Authorized Amount	$ 1,000,000,000	$ 200,000,000
Treasury Stock Shares Acquired Excluding Shares Paid for Tax Withholding for Share-based Compensation	431,910	263,913
Treasury Stock Value Acquired, Cost Method Excluding Shares Paid Value for Tax Withholding for Share-based Compensation	345,500,000	166,200,000
Remaining authorization of repurchase common stock			1,100,000,000
Repurchase of common shares to satisfy employee withholding tax obligations related to stock-based compensation (in shares)			112,544	138,171
Repurchase of common shares to satisfy employee withholding tax obligations related to stock-based compensation			$ 77,800,000	$ 89,000,000
Treasury stock, shares (in shares)	8,729,241		8,729,241		8,184,787