Statement Of Comprehensive Income [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	2022-01-01 to 2022-12-31
Statement of comprehensive income [abstract]
Profit (loss)	— GBP	309,000,000 GBP	297,000,000 GBP	— GBP	12,000,000 GBP	297,000,000 GBP	— GBP	— GBP	— GBP	— GBP	— GBP	— GBP	2,055,000,000 GBP	2,068,000,000 GBP	13,000,000 GBP	2,068,000,000 GBP	— GBP	2,055,000,000 GBP	— GBP
Other comprehensive income [abstract]
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	96,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	22,000,000 GBP	—
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Exchange differences on translation [abstract]
Gains (losses) on exchange differences on translation of foreign operations, net of tax	—	—	8,000,000 GBP	—	4,000,000 GBP	—	—	—	—	—	—	—	—	—	nil GBP	20,000,000 GBP	—	—	—
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	—	12,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	20,000,000 GBP	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	12,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	20,000,000 GBP	—
Other comprehensive income	— GBP	108,000,000 GBP	104,000,000 GBP	8,000,000 GBP	4,000,000 GBP	96,000,000 GBP	— GBP	— GBP	— GBP	— GBP	— GBP	20,000,000 GBP	42,000,000 GBP	22,000,000 GBP	— GBP	42,000,000 GBP	— GBP	42,000,000 GBP	— GBP
Comprehensive income	— GBP	201,000,000 GBP	193,000,000 GBP	8,000,000 GBP	8,000,000 GBP	201,000,000 GBP	— GBP	— GBP	— GBP	— GBP	— GBP	20,000,000 GBP	2,013,000,000 GBP	2,046,000,000 GBP	13,000,000 GBP	2,026,000,000 GBP	— GBP	2,013,000,000 GBP	— GBP
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	193,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2,026,000,000 GBP	—
Comprehensive income, attributable to non-controlling interests	—	8,000,000 GBP	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	13,000,000 GBP	—