TREASURY STOCK PURCHASE (Details) (USD $)
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12 Months Ended | 0 Months Ended | 1 Months Ended | 12 Months Ended | 0 Months Ended | 12 Months Ended | |||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Aug. 13, 2012
2011-2012 Repurchase Plan
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Aug. 31, 2012
2011-2012 Repurchase Plan
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Oct. 31, 2011
2011-2012 Repurchase Plan
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Dec. 31, 2012
2011-2012 Repurchase Plan
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Nov. 13, 2012
November 2012 Repurchase Plan
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Dec. 31, 2012
November 2012 Repurchase Plan
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TREASURY STOCK PURCHASE | |||||||||
Amount of common stock the board of directors authorized to repurchase | $ 500,000,000 | $ 250,000,000 | $ 250,000,000 | ||||||
Additional amount of common stock authorized to be purchased by the Board of Directors | 250,000,000 | ||||||||
Common stock repurchased (in shares) | 8,700,000 | 4,800,000 | |||||||
Average purchase price (in dollars per share) | $ 57.35 | $ 49.26 | |||||||
Additional shares purchased, subsequent to period | 257,000 | ||||||||
Average purchase price, subsequent to period (in dollars per share) | $ 51.99 | ||||||||
Common stock repurchased | 737,079,000 | 176,392,000 | 23,540,000 | 499,800,000 | 236,500,000 | ||||
Number of shares repurchased of common stock from employees in lieu of cash or withholding taxes due | 0.01 | ||||||||
Cash payment for repurchase of common stock from employees in lieu of cash or withholding taxes due | $ 700,000 |