The period of validity of contract.

No definition available.

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- Definition

The percentage of equity interest pledged as security.

+ References

No definition available.

+ Details

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- Definition

Percent of equity interests owned in a value added telecommunication service provider.

+ References

No definition available.

+ Details

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- Definition

Represents the information pertaining to number of shareholders' spouses from which consent letters is received.

+ References

No definition available.

+ Details

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- Definition

The period of validity of the power of attorney.

+ References

No definition available.

+ Details

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- Definition

The period with in which make payment from date of invoice received.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
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Period Type:	duration

- Definition

The period with in which payment should be made from end or relevant calendar quarter.

+ References

No definition available.

+ Details

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Namespace Prefix:	li_
Data Type:	xbrli:durationItemType
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Period Type:	duration

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 810
-SubTopic 10
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Data Type:	xbrli:stringItemType
Balance Type:	na
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- Details

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- Details

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- Details

Name:	srt_OwnershipAxis=li_BeijingXindianTransportInformationTechnologyCo.LtdMember
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Data Type:	na
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- Details

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- Details

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- Details

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- Details

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Data Type:	na
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Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=li_EquityOptionAgreementsMember
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Period Type:

- Details

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Organization and Nature of Operations - Variable interest entity (Details) - shareholder	12 Months Ended
	Dec. 31, 2024	Apr. 30, 2021
Variable interest entity
Percent of equity interests in a value added telecommunication service provider	50.00%
Beijing CHJ
Variable interest entity
Power of attorney period (in years)	10 years
Beijing CHJ \| Spouses of shareholders
Variable interest entity
Number of shareholders' spousal consent letters	2
Ownership percent	100.00%
Xindian Information \| Spouses of shareholders
Variable interest entity
Number of shareholders' spousal consent letters	9
Ownership percent	98.10%
Leading Ideal Hk Limited [Member] \| Beijing CHJ
Variable interest entity
Ownership percent		50.00%
Leading Ideal Hk Limited [Member] \| Chongqing Lixiang Automobile
Variable interest entity
Ownership percent		50.00%
Wheels Technology
Variable interest entity
Power of attorney period (in years)	10 years
Wheels Technology \| Beijing CHJ \| Exclusive Consultation and Service Agreements
Variable interest entity
Service fee payment period (in days)	10 days
Service fee payment period with which after end of relevant calendar quarter (in days)	30 days
Contract term (in years)	10 years
Wheels Technology \| Beijing CHJ \| Equity Option Agreements
Variable interest entity
Contract term (in years)	10 years
Wheels Technology \| Beijing CHJ \| Equity Pledge Agreements
Variable interest entity
Equity interests agreed to pledge (as a percent)	100.00%