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Concentration and Risks - Additional Information (Details) - CNY (¥) ¥ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Concentration and Risks |  |
Cash, cash equivalents and restricted cash subject to currency conversion controls | ¥ 13,012,259 | ¥ 10,453,728

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- Definition The amount of cash, cash equivalents and restricted cash that is subject to governmental controls on the convertibility of currency. + References No definition available. + Details
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Namespace Prefix: | nio_
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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