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Long-Term Debt Obligations - Term Loan Due in 2019 - Additional Information (Detail)	1 Months Ended
	Jun. 30, 2019	Apr. 30, 2019
Term Loan due in 2019 [Member] | Non-recourse debt [Member]
Debt Instrument [Line Items]
Debt instrument, extended maturity date	2019-12	2019-06

X

- Definition

Debt instrument, extended maturity term.

+ References

No definition available.

+ Details

Name:	tsla_DebtInstrumentExtendedMaturityTerm
Namespace Prefix:	tsla_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_DebtInstrumentAxis=tsla_TermLoanDueTwoThousandNineteenMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LongtermDebtTypeAxis=tsla_NonrecourseDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: