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Commitment and Contingencies - Capital commitments (Details) - CNY (¥) ¥ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Commitment and Contingencies |  |
Property, plant and equipment | ¥ 4,541,383 | ¥ 2,987,743
Leasehold improvements | 807,666 | 392,910
Total | ¥ 5,349,049 | ¥ 3,380,653

X
- Definition Represents capital expenditures contracted but not recognized. + References No definition available. + Details
Name: | nio_CapitalExpendituresContractedButNotRecognized
Namespace Prefix: | nio_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents leasehold improvement assets under capital expenditures but not recognized. + References No definition available. + Details
Name: | nio_LeaseholdImprovementsUnderCapitalExpenditure
Namespace Prefix: | nio_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents physical assets under capital expenditures but not recognized. + References No definition available. + Details
Name: | nio_PropertyAndEquipmentUnderCapitalExpenditure
Namespace Prefix: | nio_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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