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Condensed Financial Information of the Parent Company (Details)	Jun. 30, 2025
Condensed Financial Information of the Parent Company [Line Items]
Consolidated subsidiary exceed net assets	25.00%
PRC Subsidiary[Member]
Condensed Financial Information of the Parent Company [Line Items]
Consolidated subsidiary did not exceed net assets	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: