Subclassifications Of Assets, Liabilities And Equities [Abstract]

M&G PLC - Filing #1586529

Concept	As at 2021-12-31	As at 2020-12-31	As at 2019-12-31
Subclassifications of assets, liabilities and equities [abstract]
Property, plant and equipment [abstract]
Property, plant and equipment	2 ,536 GBP	2,0 66 GBP	—
Intangible assets and goodwill [abstract]
Intangible assets and goodwill	1 , 615 GBP	1,495,000,000 GBP	—
Investment property [abstract]
Investment property	19,698,000,000 GBP	1 9 ,1 0 6 GBP	—
Investments accounted for using equity method [abstract]
Investments accounted for using equity method	4 69 GBP	4 56 GBP	—
Categories of financial assets [abstract]
Loans and receivables	5,809,000,000 GBP	6 ,031 GBP	—
Cash and cash equivalents [abstract]
Cash and cash equivalents	6 ,908 GBP	6 ,7 7 6 GBP	6,04 6 GBP
Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract]
Non-current assets or disposal groups classified as held for sale	1,02 3 GBP	13 8 GBP	—
Miscellaneous assets [abstract]
Net defined benefit asset	38,000,000 GBP	58,000,000 GBP	—
Derivative financial assets	3,37 3 GBP	5 ,70 5 GBP	—
Equity instruments held	74 , 0 6 9 GBP	68,41 9 GBP	—
Debt instruments held [abstract]
Debt instruments held	81,059,000,000 GBP	85,4 39 GBP	—
Miscellaneous liabilities [abstract]
Net defined benefit liability	84,000,000 GBP	170,000,000 GBP	—
Derivative financial liabilities	2 ,689 GBP	3,460,000,000 GBP	—
Issued capital [abstract]
Issued capital	130,000,000 GBP	13 0 GBP	—
Retained earnings [abstract]
Retained earnings	16, 550 GBP	16, 85 3 GBP	—
Net assets (liabilities) [abstract]
Assets	2 1 9 ,1 3 4 GBP	2 28 ,7 2 6 GBP	—
Liabilities	2 13 ,78 9 GBP	2 2 3 ,1 41 GBP	—
Assets less current liabilities [abstract]