Statement Of Changes In Equity [Abstract]

Experian PLC - Filing #2044144

Concept	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2023-04-01 to 2024-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31	2022-04-01 to 2023-03-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Decrease (increase) through tax on share-based payment transactions, equity	— USD	— USD	10,000,000 USD	10,000,000 USD	— USD	— USD	10,000,000 USD	9,000,000 USD	— USD	— USD	— USD	— USD	9,000,000 USD	9,000,000 USD
Increase (decrease) through transactions with owners, equity	2,000,000 USD	70,000,000 USD	462,000,000 USD	464,000,000 USD	20,000,000 USD	1,000,000 USD	413,000,000 USD	529,000,000 USD	— USD	144,000,000 USD	— USD	19,000,000 USD	404,000,000 USD	529,000,000 USD
Purchase of treasury shares	— USD	69,000,000 USD	69,000,000 USD	69,000,000 USD	— USD	— USD	— USD	149,000,000 USD	— USD	149,000,000 USD	— USD	— USD	— USD	149,000,000 USD