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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) | 4 us-gaap_NumberOfReportableSegments |
Revenue | $ 1,273 us-gaap_Revenues | $ 1,196 us-gaap_Revenues
Operating Profit | 501 us-gaap_OperatingIncomeLoss | 420 us-gaap_OperatingIncomeLoss
S&P Ratings |  |
Segment Reporting Information [Line Items] |  |
Revenue | 606 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpRatingsMember | 569 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpRatingsMember
Operating Profit | 291 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpRatingsMember | 240 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpRatingsMember
S&P Capital IQ |  |
Segment Reporting Information [Line Items] |  |
Revenue | 320 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpCapitalIqIndicesMember | 301 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpCapitalIqIndicesMember
Operating Profit | 63 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpCapitalIqIndicesMember | 53 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpCapitalIqIndicesMember
S&P DJ Indices |  |
Segment Reporting Information [Line Items] |  |
Revenue | 143 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpdjIndicesMember | 137 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpdjIndicesMember
Operating Profit | 95 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpdjIndicesMember | 91 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_SpdjIndicesMember
C&C |  |
Segment Reporting Information [Line Items] |  |
Revenue | 225 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_CommoditiesCommercialMember | 211 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = mhfi_CommoditiesCommercialMember
Operating Profit | 85 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = mhfi_CommoditiesCommercialMember | 70 us-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 | 0 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_IntersegmentEliminationMember | 0 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_IntersegmentEliminationMember
Insurance recoveries | 35 us-gaap_InsuranceRecoveries / us-gaap_StatementBusinessSegmentsAxis = us-gaap_IntersegmentEliminationMember |
Legal settlement charge | 29 us-gaap_LossContingencyLossInPeriod / us-gaap_StatementBusinessSegmentsAxis = us-gaap_IntersegmentEliminationMember |
Total |  |
Segment Reporting Information [Line Items] |  |
Revenue | 1,273 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_OperatingSegmentsMember | 1,196 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_OperatingSegmentsMember
Operating Profit | 534 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_OperatingSegmentsMember | 454 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_OperatingSegmentsMember
Unallocated expense |  |
Segment Reporting Information [Line Items] |  |
Revenue | 0 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_MaterialReconcilingItemsMember | 0 us-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 + Details
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- 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 + Details
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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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- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
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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 + Details
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- Details
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- Details
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