Acquisitions and Divestitures (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Components of income from discontinued operations
Revenue	$ 0	$ 836	$ 268	$ 1,606
Expenses	(1)	582	310	1,357
Operating income (loss)	1	254	(42)	249
Interest expense (income), net	1	0	2	(2)
Income (loss) before taxes on income (loss)	0	254	(44)	251
Provision (benefit) for taxes on income (loss)	0	(89)	17	(82)
Income (loss) from discontinued operations, net of tax	0	165	(27)	169
Pre-tax (loss) gain on sale from discontinued operations	(32)	0	888	0
(Benefit) provision for taxes on income	(12)	0	296	0
(Loss) gain on sale of discontinued operations, net of tax	(20)	0	592	0
Discontinued operations, net	(20)	165	565	169
Less: net income (loss) attributable to noncontrolling interests	0	2	(1)	2
(Loss) income from discontinued operations attributable to McGraw Hill Financial, Inc. common shareholders	(20)	163	566	167
Components of assets and liabilities classified as held for sale
Accounts receivable, net					333
Property and equipment, net					122
Goodwill					469
Other intangible assets, net					156
Inventories, net					235
Prepublication costs					304
Other assets					321
Assets held for sale					1,940
Accounts payable and accrued expenses					123
Unearned revenue					192
Other liabilities					349
Liabilities held for sale					$ 664