Warrants - Schedule of Warrant Activities (Details) - $ / shares	6 Months Ended	12 Months Ended
Jun. 30, 2026	Dec. 31, 2025
Schedule of Warrant Activities [Line Items]
Number of Options, Expired	(116)
Weighted Average Exercise Price, Expired	$ 860
Number of Options, Granted	701,746
Weighted Average Exercise Price, Granted	$ 177.5
Number of Options, Exercised	(27,491)
Weighted Average Exercise Price, Exercised	$ 648.75
Number of Options, Outstanding	38,085
Weighted Average Exercise Price, Outstanding	$ 2,573.75
Number of Options, Outstanding	712,224	38,085
Weighted Average Exercise Price, Outstanding	$ 1,260	$ 2,573.75
Warrant [Member]
Schedule of Warrant Activities [Line Items]
Number of Options, Granted		5,610,625
Weighted Average Exercise Price, Granted		$ 0.02
Number of Options, Exercised		(6,315,177)
Number of Options, Outstanding	4,760,697	5,465,249
Weighted Average Exercise Price, Outstanding	$ 17.12	$ 17.12
Number of Options, Outstanding		4,760,697
Weighted Average Exercise Price, Outstanding		$ 17.12
Weighted Average Exercise Price, Exercised		$ 2.74

Represent the weighted average exercise price, outstanding balance.

No definition available.

Name:	nukk_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingWeightedAverageExercisePrice
Namespace Prefix:	nukk_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Represent the weighted average exercise price.

+ References

No definition available.

+ Details

Name:	nukk_ShareBasedCompensationArrangementByShareBasedPaymentsAwardNonOptionEquityInstrumentsExerciseWeightedAverageExercisePrice
Namespace Prefix:	nukk_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Represent the weighted average exercise price.

+ References

No definition available.

+ Details

Name:	nukk_ShareBasedCompensationArrangementByShareBasedPaymentsAwardNonOptionEquityInstrumentsExercisedWeightedAverageExercisePrice
Namespace Prefix:	nukk_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Represent the weighted average exercise price.

+ References

No definition available.

+ Details

Name:	nukk_ShareBasedCompensationArrangementByShareBasedPaymentsAwardNonOptionEquityInstrumentsExpiredWeightedAverageExercisePrice
Namespace Prefix:	nukk_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Represent the weighted average exercise price.

+ References

No definition available.

+ Details

Name:	nukk_ShareBasedCompensationArrangementByShareBasedPaymentsAwardNonOptionEquityInstrumentsGrantedWeightedAverageExercisePrice
Namespace Prefix:	nukk_
Data Type:	dtr:perShareItemType
Balance Type:	na
Period Type:	instant

- 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

Number of non-option equity instruments exercised by participants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(02)
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExercised
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares under non-option equity instrument agreements for which rights to exercise lapsed.

+ References

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsExpirations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Net number of non-option equity instruments granted to participants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(01)
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

+ Details

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOutstandingNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

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