RELATED PARTIES (Details) - Franklin Resources Inc [Member] - Sponsor [Member] - shares	Jun. 30, 2025	Mar. 31, 2025
RELATED PARTIES [Abstract]
Number of shares held by related party (in shares)	0	0
Franklin Bitcoin ETF [Member]
RELATED PARTIES [Abstract]
Number of shares held by related party (in shares)	0	0

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.

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+ Details