Profit Or Loss [Abstract]

Aviva PLC - Filing #3415748

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	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	—	—	33,184,000,000 GBP	—	—	31,292,000,000 GBP	—	—
Finance costs	—	—	503,000,000 GBP	—	—	549,000,000 GBP	—	—
Share of profit (loss) of associates and joint ventures accounted for using equity method	—	—	146,000,000 GBP	—	—	3,000,000 GBP	—	—
Profit (loss) before tax	—	—	801,000,000 GBP	—	—	1,812,000,000 GBP	—	—
Tax expense (income)	—	—	465,000,000 GBP	—	—	346,000,000 GBP	—	—
Profit (loss) from continuing operations	—	—	336,000,000 GBP	—	—	1,466,000,000 GBP	—	—
Profit (loss) from discontinued operations	—	—	1,700,000,000 GBP	—	—	1,444,000,000 GBP	—	—
Profit (loss)	70,000,000 GBP	1,966,000,000 GBP	2,036,000,000 GBP	1,966,000,000 GBP	2,798,000,000 GBP	2,910,000,000 GBP	112,000,000 GBP	2,798,000,000 GBP
Profit (loss), attributable to [abstract]
Profit (loss), attributable to owners of parent	—	—	1,966,000,000 GBP	—	—	2,798,000,000 GBP	—	—
Profit (loss), attributable to non-controlling interests	—	—	70,000,000 GBP	—	—	112,000,000 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 from continuing operations	—	—	0.077	—	—	0.357	—	—
Basic earnings (loss) per share	—	—	0.501	—	—	0.702	—	—
Diluted earnings per share [abstract]
Diluted earnings (loss) per share from continuing operations	—	—	0.076	—	—	0.355	—	—
Diluted earnings (loss) per share	—	—	0.497	—	—	0.698	—	—