Statement Of Changes In Equity [Abstract]

Indivior PLC - Filing #5593001

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Decrease (increase) through tax on share-based payment transactions, equity	2,000,000 USD	— USD	— USD	— USD	— USD	— USD	2,000,000 USD	— USD	— USD	14,000,000 USD	14,000,000 USD	— USD	— USD	— USD
Purchase of treasury shares	168,000,000 USD	7,000,000 USD	— USD	7,000,000 USD	— USD	— USD	168,000,000 USD	1,000,000 USD	1,000,000 USD	33,000,000 USD	33,000,000 USD	— USD	— USD	— USD