Acquisitions and Divestitures (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Components of income from discontinued operations
Revenue	$ 40	$ 43	$ 124	$ 397
Expenses	37	30	100	406
Operating income (loss)	3	13	24	(9)
Interest expense, net	0	1	0	2
Income (loss) before taxes on income (loss)	3	12	24	(11)
Provision (benefit) for taxes on income (loss)	1	5	9	(5)
Income (loss) from discontinued operations, net of tax	2	7	15	(6)
Pre-tax (loss) gain on sale from discontinued operations	0	(32)	0	888
(Benefit) provision for taxes on income	0	(12)	0	296
(Gain) loss on sale of discontinued operations, net of tax	0	(20)	0	592
Discontinued operations, net	2	(13)	15	586
Less: net loss attributable to noncontrolling interests	0	0	0	1
Income (loss) from discontinued operations attributable to McGraw Hill Financial, Inc. common shareholders	2	(13)	15	587
Components of assets and liabilities classified as held for sale
Accounts receivable, net	22		22		30
Goodwill	3		3		3
Other assets	2		2		3
Assets held for sale	27		27		36
Accounts payable and accrued expenses	9		9		13
Unearned revenue	34		34		41
Liabilities held for sale	$ 43		$ 43		$ 54