Earnings Per Share and Dividends (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share and Dividends [Abstract]

Calculation of diluted weighted-average shares outstanding

The following table provides the calculation of diluted weighted-average shares outstanding (in millions):

	Three Months Ended September 30,		Nine Months Ended September 30,
	2012	2011	2012	2011
Basic weighted-average shares outstanding	601.5	624.9	610.5	634.3
Common stock equivalents	2.7	2.2	2.6	4.0
Diluted weighted-average shares outstanding	604.2	627.1	613.1	638.3