Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 281	$ 217	$ 992	$ 808
Other comprehensive income:
Foreign currency translation adjustment	(45)	(68)	(78)	(56)
Income tax effect	1	1	0	1
Foreign currency translation adjustment, net of income tax effect	(44)	(67)	(78)	(55)
Pension and other postretirement benefit plans	5	0	59	(54)
Income tax effect	(1)	0	(19)	21
Pension and other post-retirement benefit plans, net of income tax effect	4	0	40	(33)
Unrealized gain on forward exchange contracts	(1)	0	(1)	4
Income tax effect	0	0	0	(1)
Unrealized gain (loss) on forward exchange contracts, net of income tax effect	(1)	0	(1)	3
Comprehensive income	240	150	953	723
Less: comprehensive income attributable to nonredeemable noncontrolling interests	(3)	(4)	(7)	(8)
Less: comprehensive income attributable to redeemable noncontrolling interests	(26)	(23)	(76)	(69)
Comprehensive income attributable to McGraw Hill Financial, Inc.	$ 211	$ 123	$ 870	$ 646