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Share Purchases and Redemptions - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2024
Temporary Equity Disclosure [Abstract] |
Share purchases and redemptions, settlement of each creation or redemption period | 2 days

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- Definition Share purchase and redemptions settlement period creation and redemption. + References No definition available. + Details
Name: | fxa_SharePurchaseAndRedemptionsSettlementPeriodCreationAndRedemption
Namespace Prefix: | fxa_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_TemporaryEquityDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration