Cash compensation received for services.

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- Definition

Gross margin.

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- Definition

Initial market capitalization.

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Market capitalization.

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No definition available.

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- Definition

Number of operational milestones focused on adjusted EBITDA.

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No definition available.

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- Definition

Number of operational milestones focused on revenue targets.

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No definition available.

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- Definition

Number of tranches.

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No definition available.

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- Definition

Number of vehicle production.

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No definition available.

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- Definition

Performance milestone based on adjusted EBITDA one.

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No definition available.

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- Definition

Performance milestone based on adjusted EBITDA two.

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- Definition

Performance milestone based on revenue.

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No definition available.

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- Definition

Portion of stock options scheduled to vest upon successful completion of performance objectives.

+ References

No definition available.

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- Definition

Share based compensation arrangement by share based payment award divided equally in number of tranches.

+ References

No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Maximum term of the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6409961&loc=d3e20487-108367

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of tax benefit from exercise of stock options granted under share-based compensation arrangement.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2A
-Subparagraph (a)
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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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-Paragraph 2
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Description of award terms as to how many shares or portion of an award are no longer contingent on satisfaction of either a service condition, market condition or a performance condition, thereby giving the employee the legal right to convert the award to shares, to sell the shares, and be entitled to the cash proceeds of such sale. For example, vesting may be expressed as being 25 percent of the shares under option on each anniversary of the grant date.

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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.

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Gross number of share options (or share units) granted during the period.

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Equity Incentive Plans - Additional Information (Detail)	1 Months Ended			3 Months Ended
	Mar. 31, 2018 USD ($) Tranches milestone shares	Dec. 31, 2014 Tranches shares	Aug. 31, 2012 Tranches shares	Mar. 31, 2018 USD ($) Tranches milestone Vehicle shares	Mar. 31, 2017 USD ($)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Contractual term of stock options, in years				10 years
Unrecognized compensation expense	$ 1,420,000,000			$ 1,420,000,000
Weighted-average period of recognition of unrecognized compensation, in years				3 years
Stock-based compensation				$ 141,639,000	$ 103,717,000
Aggregate number of vehicle production \| Vehicle				300,000
Income tax benefit from stock option exercises				$ 0
2014 Performance-based Stock Option Grants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of stock options grant \| shares		1,073,000
Number of vesting tranches \| Tranches		4
Performance Condition Not Considered Probable Achievement [Member] \| 2014 Performance-based Stock Option Grants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense	$ 13,100,000			13,100,000
Stock-based compensation				$ 0	2,700,000
Upon Completion of First Model X Production Vehicle [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Portion of stock options scheduled to vest upon successful completion of performance objectives				25.00%
Upon Achieving Aggregate Production of 100,000 Vehicles in Trailing 12-month Period [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Portion of stock options scheduled to vest upon successful completion of performance objectives				25.00%
Aggregate number of vehicle production \| Vehicle				100,000
Upon Completion of First Gen III Production Vehicle [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Portion of stock options scheduled to vest upon successful completion of performance objectives				25.00%
Annualized Gross Margin of Greater Than 30% for Any Three Year Period [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Portion of stock options scheduled to vest upon successful completion of performance objectives				25.00%
Gross margin				30.00%
Fourth Tranche [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Aggregate number of vehicle production \| Vehicle				100,000
Third Tranche [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Aggregate number of vehicle production \| Vehicle				200,000
2018 CEO Performance Award [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of stock options grant \| shares	20,264,042
Number of vesting tranches CEO Performance Award consists \| Tranches	12
Market capitalization	$ 50,000,000,000			$ 50,000,000,000
Number of operational milestones focused on revenue \| milestone	8			8
Number of operational milestones focused on adjusted EBITDA \| milestone	8			8
Award vesting description				Each of the 12 vesting tranches of the 2018 CEO Performance Award will vest upon certification by the Board of Directors that both (i) the market capitalization milestone for such tranche, which begins at $100 billion for the first tranche and increases by increments of $50 billion thereafter, and (ii) any one of the following eight operational milestones focused on revenue or eight operational milestones focused on Adjusted EBITDA have been met for the previous four consecutive fiscal quarters.
Number of vesting tranches \| Tranches				0
2018 CEO Performance Award [Member] \| Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation				$ 6,700,000
2018 CEO Performance Award [Member] \| Performance Condition Probable of Being Achieved [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense	$ 766,200,000			$ 766,200,000
Weighted-average period of recognition of unrecognized compensation, in years				3 years 8 months 12 days
2018 CEO Performance Award [Member] \| Performance Condition Not Considered Probable Achievement [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense	1,510,000,000			$ 1,510,000,000
2018 CEO Performance Award [Member] \| First Tranche Milestone [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Market capitalization	100,000,000,000			100,000,000,000
2018 CEO Performance Award [Member] \| Performance Condition Probable of Being Achieved [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance milestones based on total revenue				20,000,000,000
Performance milestone based on adjusted EBITDA one				1,500,000,000
Performance milestone based on adjusted EBITDA two				3,000,000,000
2012 CEO Performance Award [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of stock options grant \| shares			5,274,901
Number of vesting tranches CEO Performance Award consists \| Tranches			10
Market capitalization	4,000,000,000			4,000,000,000
Initial market capitalization	3,200,000,000			3,200,000,000
Cash compensation received by CEO				0
2012 CEO Performance Award [Member] \| Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation				100,000	$ 1,400,000
2012 CEO Performance Award [Member] \| Performance Condition Not Considered Probable Achievement [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized compensation expense	$ 5,700,000			$ 5,700,000
2010 Equity Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares were reserved for issuance \| shares	11,407,099			11,407,099
Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period, in years				4 years