Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

Stock-Based Compensation

Schedule of weighted-average assumptions used in estimating fair value of stock-based awards as of the date of grant

	2011			2010			2009
Risk-free interest rate		1.69	%		1.87	%		1.95	%
Expected life (in years)		4.0			4.0			4.0
Expected market price volatility factor		27.7	%		32.5	%		37.8	%
Expected dividend yield		3.17	%		2.74	%		4.83	%

Schedule of summarized information for stock option grants

	2011					2010					2009
	Shares			Weighted- Average Exercise Price		Shares			Weighted- Average Exercise Price		Shares			Weighted- Average Exercise Price
	(Shares in thousands)
Outstanding, beginning of year		9,070		$	43.43		8,146		$	44.36		6,058		$	59.99
Granted with exercise prices at fair market value		2,244			30.25		1,468			35.07		3,511			20.14
Exercised		(474	)		23.59		(235	)		23.53		(83	)		31.07
Forfeited/expired		(184	)		56.58		(309	)		43.41		(1,340	)		52.41
Outstanding, end of year		10,656		$	41.31		9,070		$	43.43		8,146		$	44.36
Exercisable, end of year		6,539		$	49.15		5,316		$	52.65		4,114		$	55.81
Weighted-average fair value per share of options granted with exercise prices at fair market value				$	5.20				$	7.60				$	4.24

Schedule of summary of additional information about stock options

	2011		2010		2009
	(In millions)
Stock Option Expense Recognized	$	10.3	$	9.9	$	14.2
Stock Options Exercised:
Cash Received for Exercise Price		11.2		5.5		2.6
Intrinsic Value Realized by Employee		5.9		2.7		0.2
Realized Tax Benefit		2.4		1.1		0.1
Fair Value of Options that Vested		52.4		54.4		11.0

Schedule of summary of additional information about stock options outstanding

 The following table summarizes additional information about stock options outstanding at December 31, 2011 (stock options in thousands):

		Outstanding				Exercisable
										Weighted- Average Remaining Contractual Life
Range of Exercise Prices		Stock Options		Aggregate Intrinsic Value		Stock Options		Aggregate Intrinsic Value
				(In millions)				(In millions)		(In years)
	$  0 - $  20		2,524	$	50.7		1,563	$	31.4		7.2
	$20 - $  40		4,402		31.2		1,246		5.3		7.6
	$40 - $  60		2,362		—		2,362		—		3.2
	$60 - $  80		717		—		717		—		5.2
	$80 - $100		651		—		651		—		6.1
			10,656	$	81.9		6,539	$	36.7

Schedule of summarized information for restricted stock options

	2011			2010			2009
	(Shares in thousands)
Outstanding, beginning of year		1,080			1,017			1,033
Granted		622			832			866
Released to participants		(686	)		(713	)		(701	)
Canceled		(48	)		(56	)		(181	)
Outstanding, end of year		968			1,080			1,017
Weighted-average fair value of restricted stock granted (per share)	$	30.27		$	34.83		$	19.83
Total fair value of shares for which restriction has lapsed (in millions)	$	23.3		$	24.9		$	16.5