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v3.26.1

Subsequent Events (Details) ¥ in Millions | Mar. 06, 2026 tranche shares | Feb. 26, 2026 CNY (¥) | Dec. 31, 2025 | Jul. 31, 2025 | Dec. 31, 2024 | Sep. 29, 2024
--- | --- | --- | --- | --- | --- | ---
GeniTech Co., Ltd |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Percentage of ownership interest held (as a percent) |  |  | 100.00% |  |  |
NIO Holding Co., Ltd. |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Percentage of ownership interest held (as a percent) |  |  | 100.00% | 91.80% | 100.00% | 88.25%
Subsequent events | 2026 Share Incentive Plan | Restricted shares |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Number of shares granted | shares | 248,454,460 |  |  |  |  |
Share-Based Payment Arrangement, Grantee Status [Extensible Enumeration] | srt:ChiefExecutiveOfficerMember |  |  |  |  |
Number of vesting tranches | tranche | 10 |  |  |  |  |
Subsequent events | GeniTech Co., Ltd |  |  |  |  |  |
Subsequent Events |  |  |  |  |  |
Subsidiary equity investment amount | ¥ |  | ¥ 2,257 |  |  |  |
Percentage of ownership interest held (as a percent) |  | 62.70% |  |  |  |
Third party ownership interest percentage in subsidiary (as a percent) |  | 27.30% |  |  |  |
Percentage of share incentive plan ownership interest (as a percent) |  | 10.00% |  |  |  |

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