Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2011

Stock-Based Compensation [Abstract]

Schedule Of Stock-Based Compensation Stock Option

	Number of Stock Options (In thousands)			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (In years)		Aggregate Intrinsic Value (In millions)
Outstanding at December 31, 2010		24,497		$	75.90
Granted		2,540			79.60
Exercised		(2,257	)		51.56
Terminated		(221	)		83.77
Outstanding at December 31, 2011		24,559			78.45		5.7	$	204.1
Vested and expected-to-vest at December 31, 2011		24,476			78.45		5.6		204.0
Vested at December 31, 2011		18,356			78.41		4.8		187.1

Schedule Of Information Related To Stock Options

(In millions, except for grant-date fair value of stock options)	2011		2010		2009
Weighted average grant-date fair value of stock options granted	$	13.06	$	14.05	$	14.91
Aggregate fair value of all the stock options that vested		60		71		72
Aggregate intrinsic value of all of the stock options exercised		60		50		37

Schedule Of Stock-Based Compensation Black Scholes Option Pricing

	2011	2010	2009
Risk-free interest rate	1.97%	2.49%	1.69%
Dividend yield	4.20%	3.40%	2.30%
Volatility factors	0.277	0.272	0.244
Expected option life	5 years	5 years	5 years

Schedule Of Stock Based Compensation Activity Related To Nonvested Rsus

	Number of RSUs (In thousands)			Weighted Average Grant-Date Fair Value Per Share
Nonvested at December 31, 2010		3,756		$	82.53
Granted		2,021			79.21
Vested		(1,122	)		94.41
Terminated		(353	)		77.81
Nonvested at December 31, 2011		4,302		$	78.25