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Redeemable non-controlling interests (Details) ¥ in Thousands, $ in Thousands			1 Months Ended					12 Months Ended
	Sep. 16, 2020 CNY (¥)	Apr. 29, 2020 CNY (¥)	Sep. 30, 2021 CNY (¥)	Feb. 28, 2021 CNY (¥)	Nov. 30, 2020 CNY (¥)	Jul. 31, 2020 CNY (¥)	Jun. 30, 2020 CNY (¥)	Dec. 31, 2022 CNY (¥)	Dec. 31, 2021 CNY (¥)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2022 USD ($)	Apr. 30, 2018 CNY (¥)
Redeemable non-controlling interests
Redeemable non-controlling interests					¥ 1,600,000			¥ 3,557,221	¥ 3,277,866		$ 515,747	¥ 1,269,900
Deadlock period								60 days
Percentage of simple interest on original issue price considered in redemption price								10.00%
Redemption value										¥ 104,270
Cash consideration					¥ 1,600,000					15,000
Cash investments received									100,000
Additional paid in capital								¥ 94,593,062	92,467,072		$ 13,714,705
NIO China
Redeemable non-controlling interests
Cash investments received	¥ 2,000,000					¥ 5,000,000	¥ 5,000,000
Minority interest (in percentage)	8.612%
Percentage of ownership interest held (as a percent)				3.305%
Accretion of redeemable non-controlling interests to redemption value								¥ 279,355	¥ 6,586,579	¥ 207,400
Period to submit application for a Qualified Initial Public Offering								48 months
Period to complete the Qualified Initial Public Offering								60 months
Annual interest rate (as a percent)								8.50%			8.50%
Strategic Investors | NIO China
Redeemable non-controlling interests
Cash injected		¥ 7,000,000		¥ 5,500,000
Cash investments received	¥ 511,458		¥ 2,500,000
Minority interest (in percentage)			1.418%
Accretion of redeemable non-controlling interests to redemption value			¥ 2,023,534
Strategic Investors | NIO China | Maximum
Redeemable non-controlling interests
Cash injected				¥ 10,000,000
NIO Holding Co., Ltd.
Redeemable non-controlling interests
Percentage of indirect interest in total paid-in capital								92.114%	92.114%

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Represents the percentage of indirect interest in total paid-in capital.

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Represents the percentage of simple interest on original issue price considered in redemption price.

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Period within which the company has to complete the Qualified Initial Public Offering, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Percentage of annual interest rate considered for determination of redemption price of the redeemable noncontrolling interest.

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The period of deadlock event that may trigger redemption of noncontrolling interest.

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Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.

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Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

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Redemption value, as if currently redeemable, of redeemable noncontrolling interest classified as temporary equity and the election has been made to accrete changes in redemption value to the earliest redemption date.

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Value of accretion of temporary equity to its redemption value during the period.

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