BITCOIN - Bitcoin Held on Behalf of Others (Details) $ in Thousands	Jun. 30, 2024 USD ($) bitcoin	Dec. 31, 2023 USD ($) bitcoin
Other Liabilities Disclosure [Abstract]
Total approximate amount of bitcoin held for other parties \| bitcoin	22,982	24,570
Safeguarding obligation liability related to bitcoin held for other parties	$ 1,440,307	$ 1,038,585
Safeguarding asset related to bitcoin held for other parties	$ 1,440,307	$ 1,038,585

Platform Operator, Crypto Asset, Held-For-User, Number Of Units

No definition available.

Name:	sq_PlatformOperatorCryptoAssetHeldForUserNumberOfUnits
Namespace Prefix:	sq_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair value of asset to safeguard crypto-asset held for platform user.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section FF
-Paragraph Question 1
-Publisher SEC

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.FF.Q1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476188/405-10-S99-1

+ Details

Name:	srt_SafeguardingAssetPlatformOperatorCryptoAsset
Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value of obligation to safeguard crypto-asset held for platform user.

+ References

+ Details

Name:	srt_SafeguardingLiabilityPlatformOperatorCryptoAsset
Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_OtherLiabilitiesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration