Condensed Consolidating Financial Statements (Statement of Income) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Condensed Income Statements, Captions [Line Items]
Revenue	$ 1,341	$ 1,273
Expenses:
Operating-related expenses	457	410
Selling and general expenses	330	329
Depreciation	18	22
Amortization of intangibles	24	11
Total expenses	829	772
Operating profit	512	501
Interest expense, net	40	16
Non-operating intercompany transactions	0	0
Income before taxes on income	472	485
Provision for taxes on income	149	156
Equity in net income (loss) income of subsidiaries	0	0
Income from continuing operations		329
Net income	323	329
Less: net income attributable to noncontrolling interests	(29)	(26)
Net income	294	303
Comprehensive income	343	250
Eliminations
Condensed Income Statements, Captions [Line Items]
Revenue	(31)	(27)
Expenses:
Operating-related expenses	(31)	(27)
Selling and general expenses	0	0
Depreciation	0	0
Amortization of intangibles	0	0
Total expenses	(31)	(27)
Operating profit	0	0
Interest expense, net	0	0
Non-operating intercompany transactions	428	8
Income before taxes on income	(428)	(8)
Provision for taxes on income	0	0
Equity in net income (loss) income of subsidiaries	(862)	(475)
Income from continuing operations		(483)
Net income	(1,290)	(483)
Less: net income attributable to noncontrolling interests	(29)	(26)
Net income	(1,319)	(509)
Comprehensive income	(1,290)	(486)
McGraw Hill Financial, Inc.
Condensed Income Statements, Captions [Line Items]
Revenue	171	156
Expenses:
Operating-related expenses	26	31
Selling and general expenses	17	66
Depreciation	9	10
Amortization of intangibles	0	1
Total expenses	52	108
Operating profit	119	48
Interest expense, net	42	17
Non-operating intercompany transactions	74	58
Income before taxes on income	3	(27)
Provision for taxes on income	0	4
Equity in net income (loss) income of subsidiaries	791	408
Income from continuing operations		377
Net income	794	377
Less: net income attributable to noncontrolling interests	0	0
Net income	794	377
Comprehensive income	802	373
Standard & Poor's Financial Services, LLC
Condensed Income Statements, Captions [Line Items]
Revenue	342	543
Expenses:
Operating-related expenses	139	192
Selling and general expenses	35	25
Depreciation	2	5
Amortization of intangibles	0	0
Total expenses	176	222
Operating profit	166	321
Interest expense, net	0	0
Non-operating intercompany transactions	(5)	32
Income before taxes on income	171	289
Provision for taxes on income	57	87
Equity in net income (loss) income of subsidiaries	71	67
Income from continuing operations		269
Net income	185	269
Less: net income attributable to noncontrolling interests	0	0
Net income	185	269
Comprehensive income	185	269
Non-Guarantor Subsidiaries
Condensed Income Statements, Captions [Line Items]
Revenue	859	601
Expenses:
Operating-related expenses	323	214
Selling and general expenses	278	238
Depreciation	7	7
Amortization of intangibles	24	10
Total expenses	632	469
Operating profit	227	132
Interest expense, net	(2)	(1)
Non-operating intercompany transactions	(497)	(98)
Income before taxes on income	726	231
Provision for taxes on income	92	65
Equity in net income (loss) income of subsidiaries	0	0
Income from continuing operations		166
Net income	634	166
Less: net income attributable to noncontrolling interests	0	0
Net income	634	166
Comprehensive income	$ 646	$ 94