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Advances Payable (Details) - USD ($) | Nov. 30, 2024 | Nov. 07, 2024 | Oct. 28, 2024 | Oct. 02, 2024
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Advances Payable [Abstract] |  |  |  |
Receivable amount | $ 303,000 | $ 345,000 | $ 303,000 | $ 303,000

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

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- Definition Long-Term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. This does not include advances to clients. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 850 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483326/850-10-50-2 + Details
Name: | us-gaap_AdvancesToAffiliate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant