Commitments and Contingencies - Additional Information (Detail) ¥ in Millions, $ in Millions		1 Months Ended			4 Months Ended	29 Months Ended
	Sep. 16, 2020 USD ($)	Apr. 30, 2020	Sep. 06, 2018 Plaintiff	Oct. 05, 2016 Plaintiff	Feb. 11, 2019 Plaintiff	Mar. 08, 2021 Plaintiff	Jun. 30, 2021 USD ($)	Jun. 30, 2021 CNY (¥)
Commitments And Contingencies [Line Items]
Loss contingency number of purported stockholder class actions filed | Plaintiff			9
Number of lawsuits filed | Plaintiff					2	7
Lawsuit in the Court of Chancery of the State of Delaware by purported stockholders of Tesla challenging SolarCity Acquisition [Member]
Commitments And Contingencies [Line Items]
Number of lawsuits filed | Plaintiff				7
Received payment from litigation | $	$ 43
Shanghai, China [Member]
Commitments And Contingencies [Line Items]
Operating lease arrangement, initial term							50 years	50 years
Capital expenditures | ¥								¥ 14,080
Annual tax revenues to be generated end of 2023 | ¥								¥ 2,230
SUNY Foundation [Member]
Commitments And Contingencies [Line Items]
Operating lease arrangement, initial term							10 years	10 years
Build-to-suit Lease Arrangement [Member] | SUNY Foundation [Member]
Commitments And Contingencies [Line Items]
Lease arrangement, amount obligated to spend or incur | $							$ 5,000
Contractual obligation | $							$ 41
Target projects deferred period		1 year