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	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	—	14,000,000 USD	1,044,000,000 USD	—	13,000,000 USD	—	62,000,000 USD	41,000,000 USD	—	—	1,297,000,000 USD	205,000,000 USD	—	— USD	—	—	1,244,000,000 USD	7,000,000 USD	1,295,000,000 USD	—	—	—	11,000,000 USD	—	68,000,000 USD	35,000,000 USD	51,000,000 USD	1,295,000,000 USD	8,000,000 USD	6,000,000 USD	1,303,000,000 USD	68,000,000 USD	39,000,000 USD
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	— USD	— USD	— USD	—	—	— USD	—	— USD	—	—	48,000,000 USD	48,000,000 USD	—	—	2,000,000 USD	—	— USD	— USD	—	—	—	2,000,000 USD	— USD	— USD	—	— USD	—	—	—	—	—	—	—	—	—
Other comprehensive income	— USD	— USD	— USD	—	—	— USD	—	6,000,000 USD	—	—	— USD	6,000,000 USD	—	—	4,000,000 USD	—	— USD	— USD	—	—	—	— USD	— USD	4,000,000 USD	—	— USD	—	—	—	—	—	—	—	—	—
Comprehensive income	— USD	— USD	— USD	—	—	— USD	—	6,000,000 USD	—	—	48,000,000 USD	54,000,000 USD	—	—	6,000,000 USD	—	— USD	— USD	—	—	—	2,000,000 USD	— USD	4,000,000 USD	—	— USD	—	—	—	—	—	—	—	—	—
Issue of equity	— USD	1,000,000 USD	2,000,000 USD	—	—	— USD	—	— USD	—	—	— USD	3,000,000 USD	—	—	4,000,000 USD	—	— USD	— USD	—	—	—	— USD	3,000,000 USD	— USD	—	1,000,000 USD	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	— USD	— USD	— USD	—	—	— USD	—	— USD	—	—	24,000,000 USD	24,000,000 USD	—	—	22,000,000 USD	—	— USD	— USD	—	—	—	22,000,000 USD	— USD	— USD	—	— USD	—	—	—	—	—	—	—	—	—
Increase (decrease) in equity	2,000,000 USD	6,000,000 USD	2,000,000 USD	—	—	7,000,000 USD	—	— USD	—	—	152,000,000 USD	151,000,000 USD	—	—	57,000,000 USD	—	— USD	1,000,000 USD	—	—	—	61,000,000 USD	3,000,000 USD	— USD	—	— USD	—	—	—	—	—	—	—	—	—