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v3.22.2.2

Related Party Transactions (Details) - USD ($) | 6 Months Ended |
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Aug. 31, 2022
Related Party Transactions (Details) [Line Items] |  |  |
Cost of revenue related parties |  | $ 85,170 |
Subsequent Event [Member] |  |  |
Related Party Transactions (Details) [Line Items] |  |  |
Accounts receivable balance |  |  | $ 86,219

X
- Definition For an unclassified balance sheet, amount of receivables arising from transactions with related parties. + References No definition available. + Details
Name: | reto_AccountsReceivableBalance
Namespace Prefix: | reto_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | reto_CostOfRevenueRelatedParty
Namespace Prefix: | reto_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |