Capital Stock and Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2011

Notes to Financial Statements [Abstract]

Schedule Of Common And Treasury Stock Activity

A summary of common stock and treasury stock activity for the three years ended December 31, is as follows:

	Common Stock Outstanding		Treasury Stock
Balance, January 1, 2009	501,412,580		231,440,600
Common stock acquired	(14,916,340	)	14,916,340
Shares issued for stock options	5,455,317		(5,455,317	)
Shares issued for restricted stock and other	800,388		(800,388	)
Preference stock conversion	1,413,072		(1,413,072	)
Balance, December 31, 2009	494,165,017		238,688,163
Common stock acquired	(25,401,785	)	25,401,785
Shares issued for stock options	4,233,775		(4,233,775	)
Shares issued for restricted stock and other	993,132		(993,132	)
Preference stock conversion	20,860,328		(20,860,328	)
Balance, December 31, 2010	494,850,467		238,002,713
Common stock acquired	(21,320,936	)	21,320,936
Shares issued for stock options	5,758,879		(5,758,879	)
Shares issued for restricted stock and other	729,665		(729,665	)
Balance, December 31, 2011	480,018,075		252,835,105

Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions

Fair value is estimated using the Black-Scholes option pricing model with the assumptions summarized in the following table:

	2011		2010		2009
Expected Term of Options	4.5 years		4.5 years		4.5 years
Expected Volatility Rate	21.3	%	22.5	%	22.1	%
Risk-Free Rate	0.8	%	1.3	%	2.3	%
Expected Dividend Yield	2.6	%	2.8	%	2.4	%

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity

A summary of restricted stock award activity during 2011 is presented below:

	Shares (in thousands)		Weighted Average Grant Date Fair Value Per Award
Restricted stock awards as of January 1, 2011	2,777		$	73
Activity:
Granted	986		84
Vested	(690	)	76
Forfeited	(36	)	71
Restricted stock awards as of December 31, 2011	3,037		76

Schedule of Share-based Compensation, Stock Options, Activity

A summary of stock option plan activity during 2011 is presented below:

	Shares (in thousands)		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in years)	Value of Unexercised In-the-Money Options
Options outstanding, January 1, 2011	24,517		$	69
Granted	4,841		90
Exercised	(6,846	)	62
Forfeited or expired	(218	)	78
Options outstanding, December 31, 2011	22,294		76		4	$	360
Options exercisable, December 31, 2011	13,121		$	71	3	$	276