Share-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2012

Share-Based Compensation Plans [Abstract]

Stock Option Activity [Table Text Block]

Stock option activity for the three years ended December 31, 2012 was:

	2012			2011			2010
	Shares		Weighted Average Exercise Price	Shares		Weighted Average Exercise Price	Shares		Weighted Average Exercise Price
Balance January 1	18,301,409		$26.22	24,513,590		$26.64	40,832,715		$29.37
Options granted under 2007 Plan	60,000		$49.65	90,000		$45.05	335,000		$38.86
Options exercised	(12,673,529	)	$26.47	(6,034,181	)	$28.17	(14,125,525	)	$33.03
Options forfeited	(97,000	)	$35.98	(268,000	)	$27.15	(2,528,600	)	$36.58
Balance December 31	5,590,880		$25.72	18,301,409		$26.22	24,513,590		$26.64
Exercisable December 31	5,333,880		$24.89	9,672,909		$27.85	7,885,090		$31.80

Options Oustanding and Exercisable [Table Text Block]

Options outstanding and exercisable at December 31, 2012 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	4,992,880	6.2 years	$23.61	4,992,880	$23.61
$30.00	to	$44.99	362,000	7.5 years	$38.57	206,000	$38.13
$45.00	to	$52.83	236,000	5.3 years	$50.64	135,000	$52.11
			5,590,880			5,333,880

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:

	2012	2011				2010
Expected option lives	5 years	5 years				5 years
Risk free interest rate	0.8%	0.9	%	-	1.8%	1.8	%	-	2.6%
Expected volatility	29.5%	27.2	%	-	29.2%	24.7	%	-	27.0%
Dividend yield	3.1%	2.3% - 2.8%				1.9% - 2.4%
Weighted average fair value per option granted	$10.42	$9.57				$8.25

Restricted Stock Activity [Table Text Block]

Restricted stock activity for the three years ended December 31, 2012 was:

	2012		2011		2010
Balance January 1	6,038,978		3,026,086		3,471,929
Shares granted	2,515,127		4,274,807		868,273
Shares vested	(981,737	)	(1,096,441	)	(1,089,136	)
Shares forfeited	(330,878	)	(165,474	)	(224,980	)
Balance December 31	7,241,490		6,038,978		3,026,086
Weighted average per share fair value of shares granted	$49.55		$44.51		$36.63
Weighted average per share fair value at December 31	$45.34		$43.32		$41.79

Performance Restricted Stock Units Activity [Table Text Block]

PRSU activity of the years ended December 31, 2012 and 2011 was:

	2012				2011
	Shares		Weighted Average Grant Date Fair Value		Shares	Weighted Average Grant Date Fair Value
Balance January 1	413,909		$	48.56	—
Granted	166,426		49.13		413,909	$	48.56
Distributed	(41,387	)	48.56		—	—
Forfeited	—		—		—	—
Balance December 31	538,948		$	48.74	413,909	$	48.56