XML 72 R52.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Equity - Redeemable Noncontrolling Interests (Details) | 3 Months Ended
--- | ---
Mar. 31, 2024
Noncontrolling Interest [Line Items] |
Minimum interest in joint venture (as a percent) | 20.00%
Agreement terms, change of control, put option for minority interest ownership, effective period | 15 days
CME Group |
Noncontrolling Interest [Line Items] |
Noncontrolling interest ownership by noncontrolling owners percentage | 27.00%

X
- Definition Business Acquisition, Agreement Terms, Change of Control, Put Option for Minority Interest Ownership, Effective Period + References No definition available. + Details
Name: | spgi_BusinessAcquisitionAgreementTermsChangeOfControlPutOptionForMinorityInterestOwnershipEffectivePeriod
Namespace Prefix: | spgi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Interest In Joint Venture Minimum Percentage + References No definition available. + Details
Name: | spgi_InterestInJointVentureMinimumPercentage
Namespace Prefix: | spgi_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_MinorityInterestLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_OwnershipAxis=spgi_CmeGroupMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |