Statement Of Changes In Equity [Abstract]

M&G PLC - Filing #2008143

Concept	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	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Dividends recognised as distributions to owners of parent	— GBP	— GBP	— GBP	462,000,000 GBP	— GBP	462,000,000 GBP	— GBP	462,000,000 GBP	— GBP	— GBP	— GBP	465,000,000 GBP	— GBP	465,000,000 GBP	— GBP	465,000,000 GBP	— GBP	— GBP
Dividends recognised as distributions to non-controlling interests	— GBP	— GBP	— GBP	13,000,000 GBP	13,000,000 GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	14,000,000 GBP	— GBP	— GBP	14,000,000 GBP	— GBP
Increase (decrease) through exercise of options, equity	— GBP	— GBP	— GBP	9,000,000 GBP	— GBP	— GBP	9,000,000 GBP	9,000,000 GBP	— GBP	—	—	—	—	—	—	—	—	—