Profit Or Loss [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
Profit or loss [abstract]
Profit (loss) [abstract]
Revenue	—	—	—	—	—	—	—	1 7, 7 7 2 GBP	—	—	—	15 , 21 6 GBP	—	—	—	—	—	—
Other income	—	—	—	—	—	—	—	115,000,000 GBP	—	—	—	61,000,000 GBP	—	—	—	—	—	—
Finance costs	—	—	—	—	—	—	—	1 6 0 GBP	—	—	—	1 6 7 GBP	—	—	—	—	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	—	—	—	—	—	81,000,000 GBP	—	—	—	5 5 GBP	—	—	—	—	—	—
Profit (loss) before tax	—	—	—	—	—	—	—	707,000,000 GBP	—	—	—	1,6 05 GBP	—	—	—	—	—	—
Tax expense (income)	—	—	—	—	—	—	—	615,000,000 GBP	—	—	—	463,000,000 GBP	—	—	—	—	—	—
Profit (loss)	9,000,000 GBP	– GBP	– GBP	– GBP	– GBP	– GBP	83,000,000 GBP	92,000,000 GBP	83,000,000 GBP	1 ,1 3 8 GBP	– GBP	1 ,1 4 2 GBP	4,000,000 GBP	– GBP	1 ,1 3 8 GBP	– GBP	– GBP	– GBP
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	—	—	—	—	—	—	83,000,000 GBP	—	—	—	1 ,1 3 8 GBP	—	—	—	—	—	—
Profit (loss), attributable to non-controlling interests	—	—	—	—	—	—	—	9,000,000 GBP	—	—	—	4,000,000 GBP	—	—	—	—	—	—
Earnings per share [text block]	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Earnings per share [abstract]
Earnings per share [line items]
Basic earnings per share [abstract]
Basic earnings (loss) per share	—	—	—	—	—	—	—	0.033	—	—	—	0.444	—	—	—	—	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share	—	—	—	—	—	—	—	0.032	—	—	—	4 4 .0	—	—	—	—	—	—