v3.19.1
Document and Entity Information
12 Months Ended
Dec. 31, 2018
shares
Entity Registrant Name NIO Inc.
Entity Central Index Key 0001736541
Trading Symbol nio
Entity Current Reporting Status Yes
Entity Filer Category Non-accelerated Filer
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Document Type 20-F
Document Period End Date Dec. 31, 2018
Amendment Flag false
Document Fiscal Year Focus 2018
Document Fiscal Period Focus FY
Entity Shell Company false
Entity Ex Transition Period true
Entity Emerging Growth Company true
Class A Ordinary Shares  
Entity Common Stock, Shares Outstanding 770,268,810
Class B Ordinary Shares  
Entity Common Stock, Shares Outstanding 132,030,222
Class C Ordinary Shares  
Entity Common Stock, Shares Outstanding 148,500,000