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v3.23.1

Share-based Compensation - Nio Incentive Plans - Restricted Shares (Details) | 12 Months Ended
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Dec. 31, 2022 CNY (¥) shares | Dec. 31, 2022 CNY (¥) $ / shares | Dec. 31, 2021 CNY (¥) shares | Dec. 31, 2021 CNY (¥) $ / shares | Dec. 31, 2020 CNY (¥) shares
Weighted Average Grant Date Fair Value, Restricted shares |  |  |  |  |
Recognized share-based compensation expenses | ¥ | ¥ 2,295,896,000 |  | ¥ 1,010,140,000 |  | ¥ 187,094,000
NIO Incentive Plans | US employees under 2016 plan |  |  |  |  |
Number of Restricted Shares Outstanding |  |  |  |  |
Unvested, Beginning Balance | 1,138,196 |  |  |  |
Granted | 2,353,714 |  | 1,179,976 |  |
Vested | (291,069) |  | (1,728) |  |
Forfeited | (232,483) |  | (40,052) |  |
Unvested, Ending Balance | 2,968,358 |  | 1,138,196 |  |
Weighted Average Grant Date Fair Value, Restricted shares |  |  |  |  |
Unvested, Beginning Balance | $ / shares |  | $ 41.93 |  |  |
Granted | $ / shares |  | 16.00 |  | $ 41.87 |
Vested | $ / shares |  | 36.44 |  | 41.53 |
Forfeited | $ / shares |  | 29.70 |  | 40.09 |
Unvested, Ending Balance | $ / shares |  | $ 23.87 |  | $ 41.93 |
Number of shares granted | 2,353,714 |  | 1,179,976 |  |
Unrecognized share-based compensation expenses, other than options | ¥ | ¥ 428,463,000 | $ 428,463,000 | ¥ 283,784,000 | $ 283,784,000 |
NIO Incentive Plans | Non-US employees under 2016, 2017 and 2018 plan |  |  |  |  |
Number of Restricted Shares Outstanding |  |  |  |  |
Unvested, Beginning Balance | 22,899,941 |  | 1,735,744 |  |
Granted | 31,944,551 |  | 22,551,227 |  |
Vested | (4,687,528) |  | (841,014) |  |
Forfeited | (3,172,211) |  | (546,016) |  |
Unvested, Ending Balance | 46,984,753 |  | 22,899,941 |  | 1,735,744
Weighted Average Grant Date Fair Value, Restricted shares |  |  |  |  |
Unvested, Beginning Balance | $ / shares |  | $ 33.02 |  | $ 40.05 |
Granted | $ / shares |  | 15.12 |  | 36.55 |
Vested | $ / shares |  | 34.49 |  | 39.81 |
Forfeited | $ / shares |  | 28.42 |  | 36.22 |
Unvested, Ending Balance | $ / shares |  | $ 22.88 |  | $ 33.02 |
Number of shares granted | 31,944,551 |  | 22,551,227 |  |
Restricted shares | NIO Incentive Plans | US employees under 2016 plan |  |  |  |  |
Weighted Average Grant Date Fair Value, Restricted shares |  |  |  |  |
Recognized share-based compensation expenses | ¥ | ¥ 118,700,000 |  | ¥ 20,820,000 |  | ¥ 0
Weighted-average period for unrecognized expenses expected to be recognized | 3 years 5 months 23 days |  | 3 years 9 months 29 days |  |
Restricted shares | NIO Incentive Plans | Non-US employees under 2016, 2017 and 2018 plan |  |  |  |  |
Weighted Average Grant Date Fair Value, Restricted shares |  |  |  |  |
Recognized share-based compensation expenses | ¥ | ¥ 1,744,712,000 |  | ¥ 437,166,000 |  | ¥ 9,551,000
Unrecognized share-based compensation expenses, other than options | ¥ | ¥ 6,525,925,000 | $ 6,525,925,000 | ¥ 472,628,000 | $ 472,628,000 |
Weighted-average period for unrecognized expenses expected to be recognized | 3 years 3 months 25 days |  | 3 years 7 months 24 days |  |

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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