XML 62 R51.htm IDEA: XBRL DOCUMENT
v3.23.3

Legal Proceedings (Details) $ in Millions |  |  | 1 Months Ended
--- | --- | --- | ---
Sep. 08, 2023 USD ($) | Oct. 27, 2022 USD ($) | Jan. 31, 2019 claim
Legal Proceedings [Abstract] |  |  |
Number of lawsuits filed | claim |  |  | 3
Gain contingency, amount awarded | $ | $ 63 | $ 63 |

X
- Definition Legal Proceedings [Abstract] + References No definition available. + Details
Name: | algn_LegalProceedingsAbstract
Namespace Prefix: | algn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount awarded from other party in judgment or settlement of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmountAwardedFromOtherParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total number of new claims filed pertaining to a loss contingency during the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-4 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 450 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483076/450-20-50-9 + Details
Name: | us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration