Warrants (Details) - USD ($)	6 Months Ended
Jun. 30, 2026	Dec. 31, 2025
Warrants [Line Items]
Business days	60 days
Outstanding warrants	$ 21,950,000	$ 0
Commencing days	30 days
IPO closing	12 months
Warrant term	5 years
Commercial reasonable days	15 days
Price per warrant	$ 0.01
Redemption days	30 days
Stock price trigger	$ 18
Number of trading days	20 days
Percentage of equity proceeds	60.00%
Threshold trading days	20 days
Adjustment of exercise price	115.00%
Redemption percentage	180.00%
Redemption price	$ 18
Public Warrants [Member]
Warrants [Line Items]
Stock price trigger	11.5
Warrant price adjustment	$ 9.2
Minimum [Member]
Warrants [Line Items]
Number of trading days	10 days
Maximum [Member]
Warrants [Line Items]
Number of trading days	20 days
Class A Ordinary Shares [Member]
Warrants [Line Items]
Redemption of warrants per share	$ 18
Warrant price adjustment	$ 9.2
Class A Ordinary Shares [Member] \| Warrants [Member]
Warrants [Line Items]
Number of trading days	10 days
Class A Ordinary Shares [Member] \| Public Warrants [Member]
Warrants [Line Items]
Stock price trigger	$ 18

Percentage of adjustment of exercise price of warrants based on market value and newly issued price.

No definition available.

Name:	aacpu_ClassOfWarrantOrRightAdjustmentOfExercisePriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrice
Namespace Prefix:	aacpu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of adjustment of redemption price of stock based on market value and newly issued price.

+ References

No definition available.

+ Details

Name:	aacpu_ClassOfWarrantOrRightAdjustmentOfRedemptionPriceOfWarrantsOrRightsPercentBasedOnMarketValueAndNewlyIssuedPrice1
Namespace Prefix:	aacpu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Represent the class of warrant or right, minimum threshold written notice period for redemption of warrants..

+ References

No definition available.

+ Details

Name:	aacpu_ClassOfWarrantOrRightMinimumThresholdWrittenNoticePeriodForRedemptionOfWarrants
Namespace Prefix:	aacpu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represent the price of the entity's common stock which would be required to be attained to trigger the redemption of warrants.

+ References

No definition available.

+ Details

Name:	aacpu_ClassOfWarrantOrRightRedemptionOfWarrantsOrRightsStockPriceTrigger
Namespace Prefix:	aacpu_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

closing of initial public offering.

+ References

No definition available.

+ Details

Name:	aacpu_ClosingOfInitialPublicOffering
Namespace Prefix:	aacpu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Commencing days.

+ References

No definition available.

+ Details

Name:	aacpu_CommencingDays
Namespace Prefix:	aacpu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of trading days.

+ References

No definition available.

+ Details

Name:	aacpu_NumberOfTradingDays
Namespace Prefix:	aacpu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of total equity proceeds.

+ References

No definition available.

+ Details

Name:	aacpu_PercentageOfTotalEquityProceeds
Namespace Prefix:	aacpu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period for registration statement to become effective.

+ References

No definition available.

+ Details

Name:	aacpu_PeriodForRegistrationStatementToBecomeEffective
Namespace Prefix:	aacpu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Period to file registration statement after initial business combination.

+ References

No definition available.

+ Details

Name:	aacpu_PeriodToFileRegistrationStatementAfterInitialBusinessCombination
Namespace Prefix:	aacpu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Price per warrant

+ References

No definition available.

+ Details

Name:	aacpu_PricePerWarrant
Namespace Prefix:	aacpu_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Redemption of warrants per share.

+ References

No definition available.

+ Details

Name:	aacpu_RedemptionOfWarrantsPerShare
Namespace Prefix:	aacpu_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Redemption price.

+ References

No definition available.

+ Details

Name:	aacpu_RedemptionPrice
Namespace Prefix:	aacpu_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

threshold number of specified trading days determining volume weighted average trading price

+ References

No definition available.

+ Details

Name:	aacpu_ThresholdNumberOfSpecifiedTradingDaysDeterminingVolumeWeightedAverageTradingPrice
Namespace Prefix:	aacpu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The issuance price of additional capital which would trigger an adjustment in the exercise price of the warrant.

+ References

No definition available.

+ Details

Name:	aacpu_WarrantExercisePriceAdjustmentTrigger
Namespace Prefix:	aacpu_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Warrant expiry term.

+ References

No definition available.

+ Details

Name:	aacpu_WarrantExpiryTerm
Namespace Prefix:	aacpu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- 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/2009/role/commonPracticeRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-3

+ Details

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

- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

Name:	us-gaap_WarrantsAndRightsOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=aacpu_PublicWarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- 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_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=aacpu_WarrantsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: