Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2012

Compensation Plans [Abstract]

Schedule of Assumptions Used in Calculating the Fair Value of Stock Options

	2012		2011		2010
Dividend yield	3.2	%	3.2	%	4.9	%
Volatility	34.87	%	33.26	%	32.44	%
Risk-free interest rate	0.9	%	2.3	%	2.6	%
Expected life (years)	5.3		5.3		5.3

Schedule of Stock Option Awards

	Number of Shares (in thousands)		Weighted Average Exercise Price (per share)		Weighted Average Remaining Contractual Term (years)	Aggregate Intrinsic Value (in thousands)
Outstanding, December 31, 2011	45,046		$	38.40
Granted	4,728		$	51.77
Exercised	(12,995	)	$	38.21
Forfeited	(135	)	$	46.92
Cancelled	(3,285	)	$	44.57
Outstanding, December 31, 2012	33,359		$	39.70	3.03	$	258,455
Exercisable, December 31, 2012	24,254		$	36.68	2.15	$	235,063

Schedule of Restricted Stock Awards

	Number of Shares (in thousands)		Weighted Average Grant Date Fair Value (per share)
Nonvested, December 31, 2011	3,581		$	38.58
Granted	1,872		$	47.17
Vested	(2,240	)	$	30.42
Forfeited	(93	)	$	43.07
Nonvested, December 31, 2012	3,120		$	49.42