XML 102 R74.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Employee Benefits - Schedule of Fair Value of Defined Benefit Plan Assets (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | $ 1,395 | $ 1,473
Total |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | 907 | 1,028
Level 1 |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | 2 | 3
Level 2 |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | 905 | 991
Level 3 |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | 0 | 34
Common collective trust funds measured at net asset value as a practical expedient |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | 488 | 445
Cash and short-term investments | Total |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | 2 | 3
Cash and short-term investments | Level 1 |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | 2 | 3
Cash and short-term investments | Level 2 |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | 0 | 0
Cash and short-term investments | Level 3 |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | 0 | 0
Long duration strategy | Total |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | 905 | 991
Long duration strategy | Level 1 |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | 0 | 0
Long duration strategy | Level 2 |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | 905 | 991
Long duration strategy | Level 3 |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets | $ 0 | 0
Real Estate: U.K. | Total |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets |  | 34
Real Estate: U.K. | Level 1 |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets |  | 0
Real Estate: U.K. | Level 2 |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets |  | 0
Real Estate: U.K. | Level 3 |  |
Fair value of defined benefit plans assets by asset class |  |
Fair value of plan assets |  | $ 34

X
- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (d)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanFairValueOfPlanAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanInformationAboutPlanAssetsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel12And3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueMeasuredAtNetAssetValuePerShareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DefinedBenefitPlanCashAndCashEquivalentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=spgi_FixedIncomeSecuritiesLongDurationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=spgi_DefinedBenefitPlanRealEstateUKMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |