Summary of Significant Accounting Policies - Schedule of Distributions Declared (Details) - Distributions [Member] - USD ($)	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025
May 8, 2026 [Member]
Schedule of Distributions Declared [Line Items]
Record Date	May 08, 2026
Payment Date	May 20, 2026
Distribution Rate per Share	$ 14.51
Distribution Paid	$ 1,446,626
August 10, 2026 [Member]
Schedule of Distributions Declared [Line Items]
Record Date	Aug. 10, 2026
Payment Date	Aug. 24, 2026
Distribution Rate per Share	$ 21.06
Distribution Paid	$ 2,102,451
March 21, 2025 [Member]
Schedule of Distributions Declared [Line Items]
Record Date		Mar. 21, 2025
Payment Date		Apr. 03, 2025
Distribution Rate per Share		$ 3.52
Distribution Paid		$ 331,664
May 13, 2025 [Member]
Schedule of Distributions Declared [Line Items]
Record Date		May 13, 2025
Payment Date		May 20, 2025
Distribution Rate per Share		$ 13.06
Distribution Paid		$ 1,232,669
August 7, 2025 [Member]
Schedule of Distributions Declared [Line Items]
Record Date		Aug. 07, 2025
Payment Date		Aug. 19, 2025
Distribution Rate per Share		$ 14.43
Distribution Paid		$ 1,363,479

Amount of cash distribution paid to unit-holder of limited liability company (LLC).

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 272
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483014/272-10-45-1

+ Details

Name:	us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberCashDistributionsPaid
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Date of declaration for distribution of cash or unit to member of limited liability company (LLC), in YYYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 272
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483014/272-10-45-1

+ Details

Name:	us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberDeclarationDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Date of distribution for distribution of cash or unit to member of limited liability company (LLC), in YYYY-MM-DD format.

+ References

+ Details

Name:	us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberDistributionDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Per unit of ownership amount of cash distributions paid to unit-holder of a limited liability company (LLC).

+ References

+ Details

Name:	us-gaap_DistributionMadeToLimitedLiabilityCompanyLLCMemberDistributionsPaidPerUnit
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
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

+ Details

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

- Details

Name:	muzi_DistributionRecordDateAxis=muzi_MayEightTwoZeroTwoSixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DistributionsMadeToMemberOrLimitedPartnerByDistributionTypeAxis=us-gaap_CashDistributionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	muzi_DistributionRecordDateAxis=muzi_AugustTenTwoThousandTwentySixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	muzi_DistributionRecordDateAxis=muzi_MarchTwentyOneTwoZeroTwoFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	muzi_DistributionRecordDateAxis=muzi_MayThirteenTwoZeroTwoFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	muzi_DistributionRecordDateAxis=muzi_AugustSevenTwoThousandTwentyFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: