Earnings Per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Amounts attributable to McGraw Hill Financial, Inc. common shareholders:
Income from continuing operations	$ 248	$ 153
Income from discontinued operations	0	582
Net income	$ 248	$ 735
Basic weighted-average number of common shares outstanding (in shares)	271.8	280.5
Effect of stock options and other dilutive securities (in shares)	5.4	3.8
Diluted weighted-average number of common shares outstanding (in shares)	277.2	284.3
Income from continuing operations:
Basic (in dollars per share)	$ 0.91	$ 0.55
Diluted (in dollars per share)	$ 0.89	$ 0.54
Income from discontinued operations:
Basic (in dollars per share)	$ 0.00	$ 2.07
Diluted (in dollars per share)	$ 0.00	$ 2.05
Net income:
Basic (in dollars per share)	$ 0.91	$ 2.62
Diluted (in dollars per share)	$ 0.89	$ 2.59
Restricted performance shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding shares not included in the computation of diluted earnings per share (in shares)	0.9	1.4
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding shares not included in the computation of diluted earnings per share (in shares)		3.0