Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Summary Of Significant Accounting Policies [Line Items]
Guarantees carrying value	$ 1,450,000,000	$ 166,000,000
Revenue recognized	1,188,000,000	595,000,000
Unbilled transaction price allocated to performance obligations, expected of more than one year	7,180,000,000
Deferred revenue	$ 3,599,000,000	3,536,000,000	$ 2,913,000,000
Revenue due to changes in regulation		$ 288,000,000
Direct lease term	48 months
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Revenues	Revenues	Revenues
Sales-type lease term	72 months
Accounts receivable, net	$ 4,418,000,000	$ 3,508,000,000
Other non-current assets	4,215,000,000	4,531,000,000
Gross cost of operating lease vehicles	7,030,000,000.00	7,360,000,000
Net accumulated depreciation related to leased vehicles	1,450,000,000	$ 1,380,000,000
Impairment, Intangible Asset, Statement of Income or Comprehensive Income [Extensible Enumeration]		Restructuring and other	Restructuring and other
Impairment of goodwill	0	$ 0	$ 0
Net gains (losses) from foreign currency transaction	$ 57,000,000	122,000,000	(89,000,000)
Employer matching contribution, percent of match	50.00%
Percentage of employees eligible compensation vested	6.00%
Maximum annual contributions per employee, amount	$ 3,000
Employer discretionary contribution amount	107,000,000	99,000,000	91,000,000
Interest Income, Short-Term Investment, Other	$ 763,000,000	388,000,000	0
Gigafactory Texas With Travis
Summary Of Significant Accounting Policies [Line Items]
Agreement term	20 years
Gigafactory Texas with Del Valle Independent School
Summary Of Significant Accounting Policies [Line Items]
Agreement term	10 years
Solar energy systems, net
Summary Of Significant Accounting Policies [Line Items]
Gross cost of solar energy systems	$ 6,790,000,000	6,870,000,000
Net of accumulated depreciation	$ 1,860,000,000	1,640,000,000
Minimum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	7 years
Standard product warranty term	10 years
Minimum | Gigafactory Texas With Travis
Summary Of Significant Accounting Policies [Line Items]
Grant funding equal percentage on property taxes paid by us	70.00%
Minimum | Software and Software Development Costs
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	3 years
Minimum | Assets Leased To Others
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of assets (in years)	30 years
Maximum
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	30 years
Standard product warranty term	25 years
Tax credit amount	$ 195,000,000
Employers matching contribution, annual vesting percentage	90.00%
Maximum | Gigafactory Texas With Travis
Summary Of Significant Accounting Policies [Line Items]
Grant funding equal percentage on property taxes paid by us	80.00%
Maximum | Software and Software Development Costs
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives	5 years
Maximum | Assets Leased To Others
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of assets (in years)	35 years
Stock Options And Restricted Stock Units
Summary Of Significant Accounting Policies [Line Items]
Vesting period, in years	4 years
Employee Stock
Summary Of Significant Accounting Policies [Line Items]
Vesting period, in years	6 months
MyPower
Summary Of Significant Accounting Policies [Line Items]
Financing receivable, net of allowance for credit losses, current	$ 4,000,000	5,000,000
Number of years for loans payable	30 years
MyPower customer notes receivable, net of allowance for credit losses	$ 248,000,000	266,000,000
Allowance for credit losses	33,000,000	36,000,000
Government Rebates Receivables
Summary Of Significant Accounting Policies [Line Items]
Accounts receivable, net	315,000,000	378,000,000
Other non-current assets	0	207,000,000
Automotive sales
Summary Of Significant Accounting Policies [Line Items]
Revenue recognized	872,000,000	469,000,000
Financing receivable, net of allowance for credit losses, current	247,000,000	242,000,000
Financing receivable, after allowance for credit loss, noncurrent	821,000,000	1,040,000,000.00
Recovery of direct costs	625,000,000	359,000,000
Automotive sales | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-01-01
Summary Of Significant Accounting Policies [Line Items]
Unbilled transaction price allocated to performance obligations, expected of more than one year	$ 840,000,000
Deferred revenue, expected to recognize period	12 months
Automotive regulatory credits
Summary Of Significant Accounting Policies [Line Items]
Unbilled transaction price allocated to performance obligations, expected of more than one year	$ 4,680,000,000
Automotive regulatory credits | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-01-01
Summary Of Significant Accounting Policies [Line Items]
Unbilled transaction price allocated to performance obligations, expected of more than one year	$ 863,000,000
Deferred revenue, expected to recognize period	12 months
Energy generation and storage segment
Summary Of Significant Accounting Policies [Line Items]
Revenue recognized	$ 1,270,000,000	571,000,000
Financing receivable, net of allowance for credit losses, current	34,000,000	31,000,000
Financing receivable, after allowance for credit loss, noncurrent	658,000,000	578,000,000
Deferred revenue	1,770,000,000	1,600,000,000
Energy generation and storage segment | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-01-01
Summary Of Significant Accounting Policies [Line Items]
Unbilled transaction price allocated to performance obligations, expected of more than one year	4,510,000,000
Energy generation and storage sales
Summary Of Significant Accounting Policies [Line Items]
Recovery of direct costs	756,000,000	115,000,000
Automotive Leasing, Direct Vehicle Operating
Summary Of Significant Accounting Policies [Line Items]
Lease income	1,780,000,000	1,860,000,000	1,750,000,000
Lease deposit liability	394,000,000	458,000,000
Automotive Leasing, Direct Sales-Type
Summary Of Significant Accounting Policies [Line Items]
Sales-type leasing revenue	12,000,000	215,000,000	683,000,000
Sales-type leasing cost of revenue	7,000,000	164,000,000	$ 427,000,000
Energy Generation And Storage Leasing, Customer Payments
Summary Of Significant Accounting Policies [Line Items]
Deferred revenue	$ 164,000,000	$ 181,000,000