Consolidated Statements of Income (Unaudited) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenue:
Product	$ 462	$ 523	$ 756	$ 821
Service	1,085	1,034	2,122	1,997
Total revenue	1,547	1,557	2,878	2,818
Operating-related expenses:
Product	213	239	376	411
Service	361	354	728	685
Total operating-related expenses	574	593	1,104	1,096
Selling and general expenses	568	580	1,110	1,083
Depreciation	23	25	46	50
Amortization of intangibles	17	14	32	29
Total expenses	1,182	1,212	2,292	2,258
Other income	0	(13)	0	(13)
Operating income	365	358	586	573
Interest expense, net	20	20	41	39
Income from continuing operations before taxes on income	345	338	545	534
Provision for taxes on income	125	122	198	194
Income from continuing operations	220	216	347	340
Loss from discontinued operations, net of tax	0	0	0	(1)
Net income	220	216	347	339
Less: net income attributable to noncontrolling interests	(4)	(5)	(8)	(8)
Net income attributable to The McGraw-Hill Companies, Inc.	216	211	339	331
Amounts attributable to The McGraw-Hill Companies, Inc. common shareholders:
Income from continuing operations	216	211	339	332
Loss from discontinued operations, net of tax	0	0	0	(1)
Net income	$ 216	$ 211	$ 339	$ 331
Earnings per share attributable to The McGraw-Hill Companies, Inc. common shareholders:
Basic (in usd per share)	$ 0.77	$ 0.70	$ 1.22	$ 1.09
Diluted (in usd per share)	$ 0.76	$ 0.68	$ 1.19	$ 1.07
Average number of common shares outstanding:
Basic (in shares)	279.7	303.6	278.9	304.4
Diluted (in shares)	285.3	309.2	284.5	309.4
Dividend declared per common share (in usd per share)	$ 0.255	$ 0.250	$ 0.51	$ 0.5