XML 21 R37.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Equity (Schedule of stock repurchases) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 1 Months Ended
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2014 | Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total number of shares purchased (in shares) | 1.1 us-gaap_TreasuryStockSharesAcquired | 2.2 us-gaap_TreasuryStockSharesAcquired |  |
Average price paid per share (in dollars per share) | $ 104.31 us-gaap_TreasuryStockAcquiredAverageCostPerShare | $ 78.47 us-gaap_TreasuryStockAcquiredAverageCostPerShare |  |
Total cash utilized | $ 110 us-gaap_TreasuryStockValueAcquiredCostMethod | $ 174 us-gaap_TreasuryStockValueAcquiredCostMethod |  |
2013 Repurchase Program |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total number of shares purchased (in shares) |  |  | 0.3 us-gaap_TreasuryStockSharesAcquired / us-gaap_PlanNameAxis = mhfi_TwoThousandThirteenRepurchaseProgramMember | 0.1 us-gaap_TreasuryStockSharesAcquired / us-gaap_PlanNameAxis = mhfi_TwoThousandThirteenRepurchaseProgramMember
Average price paid per share (in dollars per share) |  |  | $ 78.99 us-gaap_TreasuryStockAcquiredAverageCostPerShare / us-gaap_PlanNameAxis = mhfi_TwoThousandThirteenRepurchaseProgramMember |
Total cash utilized |  | $ 164 us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_PlanNameAxis = mhfi_TwoThousandThirteenRepurchaseProgramMember | $ 21 us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_PlanNameAxis = mhfi_TwoThousandThirteenRepurchaseProgramMember | $ 10 us-gaap_TreasuryStockValueAcquiredCostMethod / us-gaap_PlanNameAxis = mhfi_TwoThousandThirteenRepurchaseProgramMember

X
- Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
Name: | us-gaap_TreasuryStockAcquiredAverageCostPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
Name: | us-gaap_TreasuryStockSharesAcquired
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
Name: | us-gaap_TreasuryStockValueAcquiredCostMethod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_PlanNameAxis=mhfi_TwoThousandThirteenRepurchaseProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |