Consolidated Statements of Income (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenue:
Total revenue	$ 4,450	$ 3,954	$ 3,639
Expenses:
Operating-related expenses	1,460	1,392	1,206
Selling and general expenses	1,709	1,387	1,318
Depreciation	74	78	75
Amortization of intangibles	48	33	21
Total expenses	3,291	2,890	2,620
Other income	52	13	7
Operating profit	1,211	1,077	1,026
Interest expense, net	81	77	83
Income from continuing operations before taxes on income	1,130	1,000	943
Provision for taxes on income	404	374	344
Income from continuing operations	726	626	599
(Loss) income from discontinued operations, net of tax	(234)	308	252
Net income	492	934	851
Less: net income from continuing operations attributable to noncontrolling interests	(50)	(19)	(19)
Less: net income from discontinued operations attributable to noncontrolling interests	(5)	(4)	(4)
Net income attributable to The McGraw-Hill Companies, Inc.	437	911	828
Amounts attributable to The McGraw-Hill Companies, Inc. common shareholders:
Income from continuing operations	676	607	581
(Loss) income from discontinued operations	(239)	304	247
Net income attributable to The McGraw-Hill Companies, Inc.	$ 437	$ 911	$ 828
Earnings per share attributable to The McGraw-Hill Companies, Inc. common shareholders:
Basic, Income from continuing operations (in usd per share)	$ 2.43	$ 2.03	$ 1.88
Basic, Income from discontinued operations (in usd per share)	$ (0.86)	$ 1.02	$ 0.80
Basic, Net income (in usd per share)	$ 1.57	$ 3.05	$ 2.68
Diluted, Income from continuing operations (in usd per share)	$ 2.37	$ 2.00	$ 1.86
Diluted, Income from discontinued operations	$ (0.84)	$ 1.00	$ 0.79
Diluted, Net income (in usd per share)	$ 1.53	$ 3.00	$ 2.65
Average number of common shares outstanding:
Basic (in shares)	278.6	298.1	309.4
Diluted (in shares)	284.6	303.6	312.2
Dividend declared per common share (in usd per share)	$ 1.02	$ 1.00	$ 0.94
Special dividend declared per common share (in usd per share)	$ 2.50	$ 0	$ 0