Share-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2011

Share-Based Compensation Plans [Abstract]

Stock Option Activity [Table Text Block]

Stock option activity for the three years ended December 31, 2011 was:

	2011			2010			2009
	Shares		Weighted Average Exercise Price	Shares		Weighted Average Exercise Price	Shares		Weighted Average Exercise Price
Balance January 1	24,513,590		$26.64	40,832,715		$29.37	23,398,301		$36.87
Options granted under 2007 Plan	90,000		$45.05	335,000		$38.86	22,620,000		$23.73
Options exercised	(6,034,181	)	$28.17	(14,125,525	)	$33.03	(545,586	)	$31.18
Options forfeited	(268,000	)	$27.15	(2,528,600	)	$36.58	(4,640,000	)	$39.52
Balance December 31	18,301,409		$26.22	24,513,590		$26.64	40,832,715		$29.37
Options exercisable December 31	9,672,909		$27.85	7,885,090		$31.80	16,325,715		$37.46

Options Oustanding and Exercisable [Table Text Block]

Options outstanding and exercisable at December 31, 2011 were:

			Options Outstanding			Options Exercisable
Range of Exercise Prices			Shares	Weighted Average Remaining Contractual Life	Weighted Average Exercise Price	Shares	Weighted Average Exercise Price
$23.40	to	$29.99	16,023,515	7.2 years	$23.72	7,945,515	$24.05
$30.00	to	$44.99	856,894	7.1 years	$37.93	371,394	$38.24
$45.00	to	$52.83	1,421,000	1.0 years	$47.30	1,356,000	$47.30
			18,301,409			9,672,909

Black-Scholes Assumptions and Weighted Average Fair Value Per Share for Options Granted [Table Text Block]

The Black-Scholes assumptions (without adjusting for the risk of forfeiture and lack of liquidity) and the weighted average fair value per share for options granted were:

	2011				2010				2009
Expected option lives	5.0 years				5.0 years				5.0 years
Risk free interest rate	0.9	%	-	1.8%	1.8	%	-	2.6%	1.7	%	-	2.5%
Expected volatility	27.2	%	-	29.2%	24.7	%	-	27.0%	19.6	%	-	24.1%
Dividend yield	2.3% - 2.8%				1.9% - 2.4%				1.5% - 2.5%
Weighted average fair value per option granted	$9.57				$8.25				$3.62

Restricted Stock Activity [Table Text Block]

Restricted stock activity for the three years ended December 31, 2011 was:

	2011			2010			2009
Balance January 1	3,026,086			3,471,929			4,473,981
Shares granted	4,688,716			868,273			664,217
Shares vested	(1,096,441		)	(1,089,136		)	(1,426,456		)
Shares forfeited	(165,474		)	(224,980		)	(239,813		)
Balance December 31	6,452,887			3,026,086			3,471,929
Weighted average per share fair value of shares granted	$	44.87		$	36.63		$	32.87
Weighted average per share fair value at December 31	$	43.66		$	41.79		$	44.04