No definition available.

Name:	se_ConcentrationOfRiskAbstract
Namespace Prefix:	se_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum amount of annual aggregate remittance by a company may not be processed without the approval of the Central Bank of the Republic of China (Taiwan).

+ References

No definition available.

+ Details

Name:	se_MinimumAmountOfAnnualAggregateRemittanceMayNotBeProcessedWithoutApproval
Namespace Prefix:	se_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Minimum amount of single remittance by a company may not be processed prior to reporting and providing the supporting documents to the relevant bank.

+ References

No definition available.

+ Details

Name:	se_MinimumAmountOfSingleRemittanceMayNotBeProcessedWithoutApproval
Namespace Prefix:	se_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Revenue generated through Number of distribution channels.

+ References

No definition available.

+ Details

Name:	se_NumberOfDistributionChannels
Namespace Prefix:	se_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of customers accounted for more than 10% of total revenue.

+ References

No definition available.

+ Details

Name:	se_NumberOfMajorCustomers
Namespace Prefix:	se_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of customer's loan balance accounted for more than 5% of net loans receivable.

+ References

No definition available.

+ Details

Name:	se_NumberOfSingleLoanCustomers
Namespace Prefix:	se_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of third-party game developer, third party-logistics services provider or other third-party business partner that accounted for more than 10% of net cost of revenue.

+ References

No definition available.

+ Details

Name:	se_NumberOfThirdPartyGameDeveloperThirdPartyLogisticsServicesProviderOrOtherThirdPartyBusinessPartner
Namespace Prefix:	se_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Refers to the term of the game license agreements with the game developers.

+ References

No definition available.

+ Details

Name:	se_TermOfGameLicenseAgreements
Namespace Prefix:	se_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 42
-URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13531-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13537-108611

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI https://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

+ Details

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CreditConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_SalesRevenueNetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ContractWithCustomerSalesChannelAxis=se_DistributionChannelRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

CONCENTRATION OF RISKS (Details) $ in Millions	12 Months Ended
CONCENTRATION OF RISKS (Details) $ in Millions	Dec. 31, 2022 USD ($) Customer Developer Channel	Dec. 31, 2021 Customer Developer	Dec. 31, 2020 Customer Developer
Concentration of risk [Abstract]
Number of third-party game developer, third party-logistics services provider or other third-party business partner \| Developer	0	0	0
Number of major customers \| Customer	0	0	0
Number of distribution channels \| Channel	1
Minimum amount of single remittance may not be processed without approval \| $	$ 1
Minimum amount of annual aggregate remittance may not be processed without approval \| $	$ 50
Minimum [Member]
Concentration of risk [Abstract]
Term of game license agreements	2 years
Maximum [Member]
Concentration of risk [Abstract]
Term of game license agreements	7 years
Credit Concentration Risk [Member]
Concentration of risk [Abstract]
Number of single loan customers \| Customer	0	0
Sales Revenue [Member] \| Customer Concentration Risk [Member] \| Distribution Channel Risk [Member]
Concentration of risk [Abstract]
Concentration of risks	13.00%	19.00%	22.00%