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v3.25.1

Condensed Financial Information of the Parent Company (Details) | Mar. 31, 2025 | Dec. 31, 2024
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Condensed Financial Information of the Parent Company [Line Items] |  |
Consolidated subsidiary exceed net assets | 25.00% | 25.00%
PRC Subsidiaries [Member] |  |
Condensed Financial Information of the Parent Company [Line Items] |  |
Consolidated subsidiary did not exceed net assets | 25.00% | 25.00%

X
- Definition Represents percentage of net assets of subsidiary exceed. + References No definition available. + Details
Name: | avco_RestrictedNetAssetsOfSubsidiaryExceedNetAssets
Namespace Prefix: | avco_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents restricted net assets of the company's subsidiary did not exceed consolidated net assets. + References No definition available. + Details
Name: | avco_RestrictedNetAssetsPRCSubsidiaryDidNotExceed
Namespace Prefix: | avco_
Data Type: | dtr:percentItemType
Balance Type: | na
Period Type: | instant

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_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestEffectsOfChangesNetLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=avco_PRCSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |