Note 5 - Indemnification (Details Textual)	Dec. 31, 2023 shares
Shares Prescribed Aggregation (in shares)	40,000

Prescribed aggregation at which shares are issued and redeemed.

No definition available.

Name:	ibit_SharesPrescribedAggregation
Namespace Prefix:	ibit_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant