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.

No definition available.

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- Definition

The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

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-Publisher FASB
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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Summary of Significant Accounting Policies - Schedule of Disaggregation of Revenue by Major Source (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation Of Revenue [Line Items]
Leasing revenues									$ 869	$ 883	$ 1,107
Total revenues	$ 7,384	$ 6,303	$ 6,350	$ 4,541	$ 7,226	$ 6,824	$ 4,002	$ 3,409	24,578	21,461	11,759
Automotive Regulatory Credits [Member]
Disaggregation Of Revenue [Line Items]
Total revenues from sales and services									594	419	360
Services and Other [Member]
Disaggregation Of Revenue [Line Items]
Total revenues from sales and services									2,226	1,391
Sales and Services [Member]
Disaggregation Of Revenue [Line Items]
Total revenues from sales and services									23,178	20,079
Automotive [Member] \| Automotive Sales without Resale Value Guarantee [Member]
Disaggregation Of Revenue [Line Items]
Total revenues from sales and services									19,212	15,810
Automotive [Member] \| Automotive Sales with Resale Value Guarantee [Member]
Disaggregation Of Revenue [Line Items]
Total revenues from sales and services									146	1,403
Automotive [Member] \| Automotive Regulatory Credits [Member]
Disaggregation Of Revenue [Line Items]
Total revenues from sales and services									594	419
Automotive [Member] \| Automotive Leasing [Member]
Disaggregation Of Revenue [Line Items]
Leasing revenues									869	883
Energy Generation and Storage [Member]
Disaggregation Of Revenue [Line Items]
Total revenues									1,531	1,555	$ 1,116
Energy Generation and Storage [Member] \| Energy Generation and Storage Sales [Member]
Disaggregation Of Revenue [Line Items]
Total revenues from sales and services									1,000	1,056
Energy Generation and Storage [Member] \| Energy Generation and Storage Leasing [Member]
Disaggregation Of Revenue [Line Items]
Leasing revenues									$ 531	$ 499