Statement Of Changes In Equity [Abstract]

M&G PLC - Filing #1586529

Concept	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Dividends recognised as distributions to owners of parent	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	4 6 6 GBP	4 6 6 GBP	4 66 GBP	5 6 2 GBP	– GBP	56 2 GBP	– GBP	– GBP	56 2 GBP	– GBP	– GBP	– GBP
Dividends recognised as distributions to non-controlling interests	6,000,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	– GBP	6,000,000 GBP	– GBP	– GBP	– GBP	2,000,000 GBP	2,000,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP