Conversion price per share.

No definition available.

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Period Type:	instant

- Definition

Debt instrument contractual maturity month and year.

+ References

No definition available.

+ Details

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- Definition

Debt instrument convertible conversion price percentage.

+ References

No definition available.

+ Details

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- Definition

The number of shares we purchase under note hedge transactions entered.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

The cost of the convertible note hedge transactions.

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Percentage of principal amount of convertible notes is equal to repurchase price.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Purchase price per common stock.

+ References

No definition available.

+ Details

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Namespace Prefix:	tsla_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Data Type:	xbrli:sharesItemType
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Period Type:	instant

- Definition

The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
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- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Balance Type:	na
Period Type:	duration

- Definition

The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

+ Details

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Period Type:	duration

- Definition

The price per share of the conversion feature embedded in the debt instrument.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
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Period Type:	instant

- Definition

The amount by which the convertible debt's if-converted value exceeds its principle amount at the balance sheet date, regardless of whether the instrument is currently convertible. This element applies to public companies only.

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- Definition

Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

+ References

No definition available.

+ Details

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- Definition

Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- 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.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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-Publisher FASB
-Name Accounting Standards Codification
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Balance Type:	na
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- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
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Balance Type:	debit
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- Definition

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 14
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- Details

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Debt - 2022 Notes, Bond Hedges and Warrant Transactions - Additional Information (Detail)	1 Months Ended		12 Months Ended
	Mar. 31, 2017 USD ($) d $ / shares shares	Mar. 31, 2014 USD ($) $ / shares shares	Dec. 31, 2019 USD ($)	Dec. 31, 2017 USD ($)
Debt Instrument [Line Items]
Proceeds from issuance of warrants			$ 174,000,000	$ 53,000,000
Senior Notes [Member]
Debt Instrument [Line Items]
Payment for purchase of common stock \| shares		3,800,000
Common stock purchase price \| $ / shares		$ 359.87
Hedge transactions		$ 604,000,000
Proceeds from issuance of warrants		$ 389,000,000
Senior Notes [Member] \| 2.375% Convertible Senior Notes due in 2022 [Member]
Debt Instrument [Line Items]
Principal amount of convertible senior notes	$ 978,000,000
Interest Rate	2.375%
Contractual Maturity Date	2022-03
Proceeds from convertible senior notes, net of underwriting discounts and issuance costs	$ 966,000,000
Convertible principal amount	$ 1,000
Convertible instrument, shares issued \| shares	3.0534
Convertible notes, conversion price \| $ / shares	$ 327.50
Debt instrument convertible, percentage of conversion price	130.00%
Product percentage of closing sale price of common stock	98.00%
Percentage of repurchase price is equal to principal amount of convertible notes	100.00%
Debt conversion, converted instrument, amount	$ 146,000,000
Debt instrument, effective interest rate	6.00%
Payment for purchase of common stock \| shares	3,000,000.0
Common stock purchase price \| $ / shares	$ 327.50
Hedge transactions	$ 204,000,000
Shares issued under warrants \| shares	3,000,000.0
Exercise price of warrant \| $ / shares	$ 655.00
Proceeds from issuance of warrants	$ 53,000,000
Debt instrument convertible, if-converted value in excess of principal			$ 271,000,000
Senior Notes [Member] \| 2.375% Convertible Senior Notes due in 2022 [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Conversion price per share \| $ / shares	$ 327.50
Senior Notes [Member] \| 2.375% Convertible Senior Notes due in 2022 [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Conversion price per share \| $ / shares	$ 655.00
Senior Notes [Member] \| 2.375% Convertible Senior Notes due in 2022 [Member] \| One Hundred Thirty Percent Applicable Conversion Price [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument convertible consecutive trading days \| d	20
Senior Notes [Member] \| 2.375% Convertible Senior Notes due in 2022 [Member] \| One Hundred Thirty Percent Applicable Conversion Price [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument convertible trading days \| d	30
Senior Notes [Member] \| 2.375% Convertible Senior Notes due in 2022 [Member] \| Ninety Eight Percent Applicable Conversion Price [Member]
Debt Instrument [Line Items]
Debt instrument convertible consecutive trading days \| d	5