Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 217	$ 245	$ 808	$ 1,277
Other comprehensive income:
Foreign currency translation adjustment	(68)	40	(56)	84
Income tax effect	1	(2)	1	(4)
Foreign currency translation adjustment, net of income tax effect	(67)	38	(55)	80
Pension and other postretirement benefit plans	0	6	(54)	(28)
Income tax effect	0	(3)	21	3
Pension and other post-retirement benefit plans, net of income tax effect	0	3	(33)	(25)
Unrealized gain (loss) on investments and forward exchange contracts	0	(9)	4	(2)
Income tax effect	0	5	(1)	1
Unrealized gain (loss) on investments and forward exchange contracts, net of income tax effect	0	(4)	3	(1)
Comprehensive income	150	282	723	1,331
Less: comprehensive income attributable to nonredeemable noncontrolling interests	(4)	(9)	(8)	(15)
Less: comprehensive income attributable to redeemable noncontrolling interests	(23)	(22)	(69)	(60)
Comprehensive income attributable to McGraw Hill Financial, Inc.	$ 123	$ 251	$ 646	$ 1,256