Summary of Significant Accounting Policies - Additional Information (Detail) $ in Millions		3 Months Ended		12 Months Ended
	Aug. 16, 2022 USD ($)	Mar. 31, 2023 USD ($) Customer	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) Customer
Summary Of Significant Accounting Policies [Line Items]
Deferred revenue		$ 3,040		$ 2,910
Deferred revenue recognized out of prior period balance		134	$ 66
Deferred revenue recognized in next 12 months		679
Revenue Due to Changes in Regulation			288
Financing receivable, Net		191		128
Total sales return reserve from buyback options		68		91
Sales return reserve from short term buyback options		34		$ 40
Revenue recognized		230
Unbilled transaction price allocated to performance obligations, expected of more than one year		$ 209
Number of customers representing more than ten percentage of accounts receivable | Customer		0		0
Allowance for credit losses		$ 37		$ 37
MyPower customer notes receivable, net of allowance for credit losses		276		280
MyPower customer notes receivable, net of allowance for credit losses, current		6		7
Other non-current assets		$ 4,584		$ 4,193
Accounts receivable from OEM customers excess percentage		10.00%		10.00%
Gross cost of operating lease vehicles		$ 6,560		$ 6,080
Net accumulated depreciation related to leased vehicles		1,090		1,040
Sales-type leasing revenue		101	265
Sales-type leasing cost of revenue		76	$ 164
Unrecognized tax benefits		926		870
Unrecognized tax benefits, that would not affect effective tax rate		$ 578		572
Stock split ratio		3	3
Stock split description		three-for-one stock split effected in the form of a stock dividend in August 2022	three-for-one stock split effected in the form of a stock dividend in August 2022
Minimum tax rate	15.00%
Profits from income of corporations	$ 1,000
Other Non-current Assets [Member]
Summary Of Significant Accounting Policies [Line Items]
Financing receivable, Net		$ 966		665
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Income tax examination, years		2019
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Income tax examination, years		2021
Government Rebates Receivables [Member]
Summary Of Significant Accounting Policies [Line Items]
Other non-current assets		$ 575		753
Federal [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Income tax examination, years		2004
Federal [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Income tax examination, years		2014
IRS [Member] | Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Income tax examination, years		2015
IRS [Member] | Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Income tax examination, years		2018
Energy Generation and Storage [Member]
Summary Of Significant Accounting Policies [Line Items]
Financing receivable, Net		$ 29		24
Energy Generation and Storage [Member] | Other Non-current Assets [Member]
Summary Of Significant Accounting Policies [Line Items]
Financing receivable, Net		448		387
Customer payments [Member] | Energy Generation and Storage [Member]
Summary Of Significant Accounting Policies [Line Items]
Deferred revenue		770		$ 863
Deferred revenue recognized in next 12 months		$ 12
Revenue recognized			$ 52