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Solar Energy Systems, Net - Components of Solar Energy Systems, Net (Detail) - Solar Energy Systems [Member] - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Property Plant And Equipment [Line Items] |  |
Solar energy systems in service | $ 6,587,439 | $ 6,430,729
Initial direct costs related to customer solar energy system lease acquisition costs | 101,197 | 99,380
Solar energy systems, gross | 6,688,636 | 6,530,109
Less: accumulated depreciation and amortization | (608,006) | (495,518)
Solar energy systems, gross, less accumulated depreciation and amortization | 6,080,630 | 6,034,591
Solar energy systems under construction | 49,777 | 67,773
Solar energy systems pending interconnection | 70,297 | 169,032
Solar energy systems, net | $ 6,200,704 | $ 6,271,396

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- Definition Assets to be leased CIP. + References No definition available. + Details
Name: | tsla_AssetsToBeLeasedCIP
Namespace Prefix: | tsla_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Lease asset direct costs related to acquisition. + References No definition available. + Details
Name: | tsla_LeaseAssetDirectCostsRelatedToAcquisition
Namespace Prefix: | tsla_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Leased assets in service. + References No definition available. + Details
Name: | tsla_LeaseAssetsInService
Namespace Prefix: | tsla_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Lease assets pending interconnection. + References No definition available. + Details
Name: | tsla_LeaseAssetsPendingInterconnection
Namespace Prefix: | tsla_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Leased assets accumulated depreciation and amortization. + References No definition available. + Details
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Namespace Prefix: | tsla_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Leased assets gross. + References No definition available. + Details
Name: | tsla_LeasedAssetsGross
Namespace Prefix: | tsla_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Leased assets net. + References No definition available. + Details
Name: | tsla_LeasedAssetsNet
Namespace Prefix: | tsla_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Leased assets net before construction and pending interconnection. + References No definition available. + Details
Name: | tsla_LeasedAssetsNetBeforeConstructionAndPendingInterconnection
Namespace Prefix: | tsla_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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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. + Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=tsla_SolarEnergySystemsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |