XML 61 R48.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Estimated Useful Lives (Detail) | 12 Months Ended
--- | ---
Dec. 25, 2021
Kegs |
Organization And Summary Of Significant Accounting Policies [Line Items] |
Estimated useful life | 5 years
Computer Software and Equipment | Minimum |
Organization And Summary Of Significant Accounting Policies [Line Items] |
Estimated useful life | 2 years
Computer Software and Equipment | Maximum |
Organization And Summary Of Significant Accounting Policies [Line Items] |
Estimated useful life | 5 years
Office Equipment and Furniture | Minimum |
Organization And Summary Of Significant Accounting Policies [Line Items] |
Estimated useful life | 3 years
Office Equipment and Furniture | Maximum |
Organization And Summary Of Significant Accounting Policies [Line Items] |
Estimated useful life | 7 years
Machinery and Plant Equipment |
Organization And Summary Of Significant Accounting Policies [Line Items] |
Estimated useful life | 3 to 20 years, or the term of the production agreement, whichever is shorter
Machinery and Plant Equipment | Minimum |
Organization And Summary Of Significant Accounting Policies [Line Items] |
Estimated useful life | 3 years
Machinery and Plant Equipment | Maximum |
Organization And Summary Of Significant Accounting Policies [Line Items] |
Estimated useful life | 20 years
Leasehold Improvements |
Organization And Summary Of Significant Accounting Policies [Line Items] |
Estimated useful life | Lesser of the remaining term of the lease or estimated useful life of the asset
Building and Building Improvements |
Organization And Summary Of Significant Accounting Policies [Line Items] |
Estimated useful life | 12 to 20 years, or the remaining useful life of the building, whichever is shorter
Building and Building Improvements | Minimum |
Organization And Summary Of Significant Accounting Policies [Line Items] |
Estimated useful life | 12 years
Building and Building Improvements | Maximum |
Organization And Summary Of Significant Accounting Policies [Line Items] |
Estimated useful life | 20 years

X
- Definition Organization And Summary Of Significant Accounting Policies [Line Items] + References No definition available. + Details
Name: | sam_OrganizationAndSummaryOfSignificantAccountingPoliciesLineItems
Namespace Prefix: | sam_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 35 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123364984&loc=d3e1205-110223 + Details
Name: | us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=sam_KegsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ComputerEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |