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

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-Name Accounting Standards Codification
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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Description of debt redemption features under terms of the debt agreement.

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The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Convertible and Long-term Debt Obligations - Solar Bonds - Additional Information (Detail) - USD ($) $ in Millions	1 Months Ended			12 Months Ended
	Aug. 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2016
SpaceX [Member] \| Solar bonds due in March 2017 [Member]
Debt Instrument [Line Items]
Interest Rate				4.40%
Maturity Dates				Mar. 31, 2017
SpaceX [Member] \| Solar bonds due in June 2017 [Member]
Debt Instrument [Line Items]
Interest Rate				4.40%
Maturity Dates				Jun. 30, 2017
SpaceX [Member] \| SolarCity [Member] \| Solar bonds due in March 2017 [Member]
Debt Instrument [Line Items]
Proceeds from issuance of solar bonds issued to related parties			$ 90.0
Interest Rate			4.40%
Maturity Dates				Mar. 31, 2017
SpaceX [Member] \| SolarCity [Member] \| Solar bonds due in June 2017 [Member]
Debt Instrument [Line Items]
Proceeds from issuance of solar bonds issued to related parties		$ 75.0
Interest Rate		4.40%
Maturity Dates				Jun. 30, 2017
Chairman of the Company's board of directors, the Company's Chief Executive Officer and the Company's Chief Technology Officer [Member] \| SolarCity [Member] \| Solar bonds due in February 2018 [Member]
Debt Instrument [Line Items]
Proceeds from issuance of solar bonds issued to related parties	$ 100.0
Interest Rate	6.50%
Maturity Dates				Feb. 28, 2018
Solar Bonds [Member] \| SpaceX [Member] \| SolarCity [Member]
Debt Instrument [Line Items]
Debt instrument redeemed description				In September 2015, SolarCity commenced issuing Solar Bonds with variable interest rates that reset quarterly and that can be redeemed quarterly at the option of the bondholder or us, with 30-day advance notice.