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Organization and Nature of Operations - Subsidiaries (Details) | Dec. 31, 2022 | Dec. 31, 2021
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NIO Nextev Limited ("NIO HK") (formerly known as Nextev Limited) |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NIO GmbH (formerly known as NextEV GmbH) |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NIO Co., Ltd. ("NIO SH") (formerly known as NextEV Co., Ltd.) |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NIO USA, Inc. ("NIO US") (formerly known as NextEV USA, Inc.) |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
XPT Limited ("XPT") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
XPT (Jiangsu) Investment Co., Ltd. ("XPT Jiangsu") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
Shanghai XPT Technology Limited |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
XPT (Nanjing) E-Powertrain Technology Co., Ltd. ("XPT NJEP") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
XPT (Nanjing) Energy Storage System Co., Ltd. ("XPT NJES") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NIO Power Express Limited ("PE HK") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NIO User Enterprise Limited ("UE HK") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NIO Sales and Services Co., Ltd. ("UE CNHC") (formerly known as Shanghai NIO Sales and Service Co., Ltd. ) |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NIO Energy Investment (Hubei) Co., Ltd. ("PE CNHC") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
Wuhan NIO Energy Co., Ltd. ("PE WHJV") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
XTRONICS (Nanjing) Automotive Intelligent Technologies Co. Ltd. ("XPT NJWL") |  |
Organization and Nature of Operations |  |
Equity interest held | 50.00% |
NIO Holding Co., Ltd. ("NIO Holding") (formerly known as NIO (Anhui) Holding Co., Ltd.) |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% | 100.00%
NIO (Anhui) Co., Ltd. ("NIO AH") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NIO Technology (Anhui) Co., Ltd. ("NIO R&D") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NIO Financial Leasing Co., Ltd. ("NIO Leasing") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NEU Battery Asset Co., Ltd. ("BAC Cayman") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NEU Battery Asset (Hong Kong) Co.Limited ("BAC HK") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NIO AI Technology Limited ("NIO AI Technology") |  |
Organization and Nature of Operations |  |
Equity interest held | 96.97% |
Instant Power Europe B.V. ("BAC NL") Co., Limited |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NIO Nextev Europe Holding B.V.("NIO NL") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
XPT (Jiangsu) Automotive Technology Co., Ltd. ("XPT Auto") |  |
Organization and Nature of Operations |  |
Equity interest held | 100.00% |
NIO AI Technology Limited Cayman Islands |  |
Organization and Nature of Operations |  |
Equity interest held | 96.97% | 51.00%
NIO AI Technology Limited Hong Kong |  |
Organization and Nature of Operations |  |
Equity interest held | 96.97% |
Anhui Nio Autonomous Driving Technology Co |  |
Organization and Nature of Operations |  |
Equity interest held | 96.97% |

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