STOCK-BASED COMPENSATION (Tables)

12 Months Ended

Dec. 31, 2011

STOCK-BASED COMPENSATION

Weighted-average assumptions used to estimate fair value of stock options granted

Stock Awards Plans: Years ended December 31,	2011		2010		2009
Dividend Yield		1.7%		1.8%		1.6%
Expected Stock Price Volatility		23.3%		22.7%		24.2%
Risk-free Interest Rate		2.7%		3.6%		2.2%
Expected Life of Option (years)		6.9		6.9		6.9

Director Stock Option Plans: Years ended December 31,	2011		2010		2009
Dividend Yield		1.6%		1.7%		1.7%
Expected Stock Price Volatility		22.9%		22.6%		24.9%
Risk-free Interest Rate		2.5%		3.4%		3.1%
Expected Life of Option (years)		6.9		6.9		6.9

Summary of option activity

	Stock Awards Plans					Director Stock Option Plans
	Shares			Weighted Average Exercise Price		Shares			Weighted Average Exercise Price
Outstanding, January 1, 2011		8,208,736		$	28.91		219,000		$	30.40
Granted		1,284,150			48.21		85,500			51.26
Exercised		(1,128,656	)		21.28		(34,500	)		22.79
Forfeited or expired		(18,313	)		37.00		—			—
Outstanding at December 31, 2011		8,345,917		$	32.90		270,000		$	37.98
Exercisable at December 31, 2011		5,862,872		$	29.22		125,836		$	29.15
Weighted-Average Remaining Contractual Term (Years):
Outstanding at December 31, 2011		5.9								7.0
Exercisable at December 31, 2011		4.7								5.0
Aggregate Intrinsic Value:
Outstanding at December 31, 2011	$	158,585							$	3,831
Exercisable at December 31, 2011	$	132,307							$	2,896
Intrinsic Value of Options Exercised During the Years Ended:
December 31, 2011	$	32,782							$	970
December 31, 2010	$	31,217							$	1,151
December 31, 2009	$	10,916							$	—

Summary of restricted stock unit activity

	Shares			Weighted-Average Grant-Date Fair Value
Nonvested at January 1, 2011		22,303		$	34.71
Granted		5,035			49.63
Vested		(10,045	)		34.44
Nonvested at December 31, 2011		17,293		$	39.21