Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Reconciliation of the number of shares used for calculating basic and diluted earnings per common share

The calculation for basic and diluted EPS for the periods ended September 30 is as follows:

(in millions, except per share amounts)	Three Months					Nine Months
	2012		2011			2012		2011
Amounts attributable to The McGraw-Hill Companies, Inc. common shareholders:
Income from continuing operations	$	314	$	367		$	652	$	698
Loss from discontinued operations, net of tax	—		(1		)	—		(2		)
Net income attributable to the Company	$	314	$	366		$	652	$	696
Basic weighted-average number of common shares outstanding	278.7		297.8			278.8		302.2
Effect of stock options and other dilutive securities	5.9		5.8			5.8		5.2
Diluted weighted-average number of common shares outstanding	284.6		303.6			284.6		307.4
Basic EPS:
Income from continuing operations	$	1.13	$	1.23		$	2.34	$	2.31
Loss from discontinued operations, net of tax	—		—			—		—
Net income	$	1.13	$	1.23		$	2.34	$	2.31
Diluted EPS:
Income from continuing operations	$	1.10	$	1.21		$	2.29	$	2.27
Loss from discontinued operations, net of tax	—		—			—		—
Net income	$	1.10	$	1.21		$	2.29	$	2.27