XML 24 R43.htm IDEA: XBRL DOCUMENT v2.4.1.9

Segment and Related Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015 Segment	Mar. 31, 2014
Segment Reporting Information [Line Items]
Number of reportable segments (in segments)	4us-gaap_NumberOfReportableSegments
Revenue	$ 1,273us-gaap_Revenues	$ 1,196us-gaap_Revenues
Operating Profit	501us-gaap_OperatingIncomeLoss	420us-gaap_OperatingIncomeLoss
S&P Ratings
Segment Reporting Information [Line Items]
Revenue	606us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpRatingsMember	569us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpRatingsMember
Operating Profit	291us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpRatingsMember	240us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpRatingsMember
S&P Capital IQ
Segment Reporting Information [Line Items]
Revenue	320us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpCapitalIqIndicesMember	301us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpCapitalIqIndicesMember
Operating Profit	63us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpCapitalIqIndicesMember	53us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpCapitalIqIndicesMember
S&P DJ Indices
Segment Reporting Information [Line Items]
Revenue	143us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpdjIndicesMember	137us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpdjIndicesMember
Operating Profit	95us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpdjIndicesMember	91us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpdjIndicesMember
C&C
Segment Reporting Information [Line Items]
Revenue	225us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_CommoditiesCommercialMember	211us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_CommoditiesCommercialMember
Operating Profit	85us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_CommoditiesCommercialMember	70us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_CommoditiesCommercialMember
Intersegment elimination
Segment Reporting Information [Line Items]
Revenue	(21)us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_IntersegmentEliminationMember	(22)us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_IntersegmentEliminationMember
Operating Profit	0us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_IntersegmentEliminationMember	0us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_IntersegmentEliminationMember
Insurance recoveries	35us-gaap_InsuranceRecoveries / us-gaap_StatementBusinessSegmentsAxis = us-gaap_IntersegmentEliminationMember
Legal settlement charge	29us-gaap_LossContingencyLossInPeriod / us-gaap_StatementBusinessSegmentsAxis = us-gaap_IntersegmentEliminationMember
Total
Segment Reporting Information [Line Items]
Revenue	1,273us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_OperatingSegmentsMember	1,196us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_OperatingSegmentsMember
Operating Profit	534us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_OperatingSegmentsMember	454us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_OperatingSegmentsMember
Unallocated expense
Segment Reporting Information [Line Items]
Revenue	0us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember	0us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember
Operating Profit	$ (33)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember	$ (34)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember

X

- Definition

The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.3)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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X

- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

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X

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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X

- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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