Statement Of Changes In Equity [Abstract]

Bewi Invest AS - Filing #2614205

Concept	2021-01-01 to 2021-12-31	As at 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	As at 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	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	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	As at 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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	80,300,000 EUR	9,600,000 EUR	166,900,000 EUR	—	—	262,200,000 EUR	252,400,000 EUR	9,800,000 EUR	—	14,800,000 EUR	—	—	—	—	45,600,000 EUR	400,000 EUR	151,900,000 EUR	194,700,000 EUR	14,000,000 EUR	—	16,800,000 EUR	—	—	—	195,100,000 EUR	—	—	150,700,000 EUR	600,000 EUR	700,000 EUR	134,400,000 EUR	150,100,000 EUR	15,500,000 EUR	100,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	1,300,000 EUR	—	—	—	—	35,700,000 EUR	—	—	—	—	—	—	34,400,000 EUR	35,700,000 EUR	30,000,000 EUR	—	—	—	—	—	30,100,000 EUR	—	—	—	—	—	100,000 EUR	30,100,000 EUR	—	—	—	—	—	—	—
Other comprehensive income	100,000 EUR	—	—	—	7,200,000 EUR	7,200,000 EUR	—	—	—	—	—	—	7,300,000 EUR	—	4,000,000 EUR	—	—	—	—	—	—	—	4,000,000 EUR	—	—	—	—	4,000,000 EUR	—	—	—	—	—	—	—
Comprehensive income	1,200,000 EUR	—	—	—	7,200,000 EUR	42,900,000 EUR	—	—	—	—	—	—	41,700,000 EUR	35,700,000 EUR	26,000,000 EUR	—	—	—	—	—	30,100,000 EUR	—	4,000,000 EUR	—	—	—	100,000 EUR	26,100,000 EUR	—	—	—	—	—	—	—
Issue of equity	—	—	—	—	—	22,700,000 EUR	—	—	—	800,000 EUR	—	21,800,000 EUR	22,700,000 EUR	—	8,700,000 EUR	—	—	—	—	—	—	—	—	8,300,000 EUR	400,000 EUR	—	—	8,700,000 EUR	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	—	—	—	—	6,400,000 EUR	—	—	—	—	—	6,100,000 EUR	6,400,000 EUR	300,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase through other contributions by owners, equity	—	—	—	—	—	—	—	—	—	—	—	—	—	—	9,500,000 EUR	—	—	—	—	—	—	—	—	9,500,000 EUR	—	—	—	9,500,000 EUR	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	10,500,000 EUR	—	—	—	—	1,400,000 EUR	—	—	—	—	—	—	9,200,000 EUR	1,400,000 EUR	1,000,000 EUR	—	—	—	—	—	100,000 EUR	—	—	—	—	—	1,100,000 EUR	100,000 EUR	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	—	—	—	—	700,000 EUR	—	—	—	—	—	—	700,000 EUR	700,000 EUR	100,000 EUR	—	—	—	—	—	100,000 EUR	—	—	—	—	—	—	100,000 EUR	—	—	—	—	—	—	—