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Organization and Principles of Consolidation - Additional Information (Details) | Dec. 31, 2025
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Organization Consolidation And Presentation Of Financial Statements [Line Items] |
Number of states in which entity operates | 32
Miles of pipeline | 14,000
Number of terminals owned | 160
Number of branded locations | 11,000
Sunoco GP LLC ("General Partner") |
Organization Consolidation And Presentation Of Financial Statements [Line Items] |
Subsidiary, Ownership Percentage, Parent | 100.00%

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- Definition Miles of pipeline owned as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | sun_
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Balance Type: | na
Period Type: | instant

X
- Definition Number of branded locations owned by the Partnership as of the balance sheet date. + References No definition available. + Details
Name: | sun_NumberOfBrandedLocations
Namespace Prefix: | sun_
Data Type: | xbrli:pureItemType
Balance Type: | na
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- Definition Number of terminals owned by the Partnership as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | sun_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

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- Definition Organization consolidation and presentation of financial statements. + References No definition available. + Details
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Namespace Prefix: | sun_
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Balance Type: | na
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition The number of states the entity operates in as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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