Statement Of Changes In Equity [Abstract]

Drax Group PLC - Filing #3493348

Concept	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	2021-01-01 to 2021-12-31	As at 2021-12-31	As at 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	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 2020-12-31	2020-01-01 to 2020-12-31	As at 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	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31	As at 2019-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	19 8 . 3 GBP	78,500,000 GBP	—	706,000,000 GBP	—	1,306 .8 GBP	—	1 7 7. 4 GBP	—	—	432 . 2 GBP	—	2 1.5 GBP	47. 7 GBP	—	—	—	—	15 3. 4 GBP	– GBP	8 7. 2 GBP	4 7. 5 GBP	—	—	—	6 9 7. 3 GBP	430 .0 GBP	—	76. 0 GBP	—	1, 3 39.4 GBP	—	—	—	—	– GBP	40. 8 GBP	706 .6 GBP	429. 6 GBP	1,7 15.6 GBP	3 69. 7 GBP	4 7. 4 GBP	12 1. 5 GBP
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	0. 5 GBP	—	—	– GBP	—	– GBP	—	– GBP	—	– GBP	10 5 .1 GBP	—	– GBP	—	—	2 5 .9 GBP	79. 2 GBP	7 9.7 GBP	1 5 7. 9 GBP	—	—	—	—	1 5 7. 9 GBP	– GBP	27 5.5 GBP	—	—	– GBP	—	– GBP	—	– GBP	– GBP	1 1 7. 6 GBP	– GBP	—	—	—	—	—	—	—	—
Other comprehensive income	2 .6 GBP	—	—	9. 6 GBP	—	8,700,000 GBP	—	– GBP	—	1 2 7.1 GBP	—	—	– GBP	—	—	—	82 . 5 GBP	28 .9 GBP	5 6 . 3 GBP	—	—	—	—	1 .1 GBP	89 .7 GBP	—	—	—	9. 3 GBP	—	– GBP	—	– GBP	– GBP	—	41 . 6 GBP	—	—	—	—	—	—	—	—
Comprehensive income	3 .1 GBP	—	—	9. 6 GBP	—	8,700,000 GBP	—	– GBP	—	1 2 7.1 GBP	—	—	– GBP	—	—	—	3. 3 GBP	108,600,000 GBP	2 14. 2 GBP	—	—	—	—	15 6 . 8 GBP	89. 7 GBP	—	—	—	9. 3 GBP	—	– GBP	—	– GBP	– GBP	—	41 .6 GBP	—	—	—	—	—	—	—	—
Issue of equity	– GBP	—	—	– GBP	—	– GBP	—	2,200,000 GBP	—	– GBP	—	—	200,000 GBP	—	—	—	2 .4 GBP	– GBP	500,000 GBP	—	—	—	—	– GBP	– GBP	—	—	—	– GBP	—	0 .1 GBP	—	– GBP	400,000 GBP	—	– GBP	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	– GBP	—	—	– GBP	—	– GBP	—	– GBP	—	– GBP	—	—	– GBP	—	—	—	70 .9 GBP	70. 9 GBP	6 4 . 7 GBP	—	—	—	—	6 4 . 7 GBP	– GBP	—	—	—	– GBP	—	– GBP	—	– GBP	– GBP	—	– GBP	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	– GBP	—	—	– GBP	—	– GBP	—	– GBP	—	– GBP	—	—	– GBP	—	—	—	7. 4 GBP	7. 4 GBP	5. 2 GBP	—	—	—	—	5. 2 GBP	– GBP	—	—	—	– GBP	—	– GBP	—	– GBP	– GBP	—	– GBP	—	—	—	—	—	—	—	—