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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Assumptions Used to Estimate Weighted-Average Fair Value of Options Granted



	Year Ended December 31
	2012		2011		2010
Dividend yield	4.50	%	5.00	%	5.00	%
Volatility	12.86	%	12.54	%	14.77	%
Risk-free interest rate	1.08	%	2.26	%	2.74	%
Expected life—years	5.8		6.3		6.4

Schedule of Unrecognized Compensation Costs and Amortization Periods

Schedule of Stock-Based Compensation Activity



Stock Options	Shares (in thousands)		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 1, 2012	17,084		$	61.92
Granted	1,780		78.54
Exercised	(9,189	)	61.55
Forfeited or expired	(407	)	64.41
Outstanding at December 31, 2012	9,268		65.38		6.3	$	177
Exercisable at December 31, 2012	5,057		62.14		4.5	$	113

Schedule of Effect of Exercises of Stock Options



	Year Ended December 31
	2012		2011		2010
Cash received	$	565	$	435	$	131
Income tax benefit received	49		13		5
Intrinsic value	161		69		19

Schedule of Other Stock-Based Awards Activity



	Time-Vested Restricted Share Units				Performance-Based Restricted Share Units
Other Stock-Based Awards	Shares (in thousands)		Weighted- Average Grant-Date Fair Value		Shares (in thousands)		Weighted- Average Grant-Date Fair Value
Nonvested at January 1, 2012	276		$	61.07	2,398		$	59.08
Granted	270		77.89		1,127		66.57
Vested	(198	)	60.23		(1,143	)	49.53
Forfeited	(24	)	65.62		(195	)	65.02
Nonvested at December 31, 2012	324		75.24		2,187		67.41

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References+ Details

December 31, 2012

Weighted-
Average
Service
Years

Nonvested stock options

Restricted shares and time-vested restricted share units

Nonvested performance-based restricted share units