Statement Of Changes In Equity [Abstract]

Viking Line Abp - Filing #2196272

Concept	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	As at 2021-12-31	As at 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	2020-01-01 to 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	As at 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
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	2,201,000,000 EUR	497,000,000 EUR	—	2,694,000,000 EUR	—	—	22,000,000 EUR	18,000,000 EUR	—	—	—	1,918,000,000 EUR	18,000,000 EUR	—	18,000,000 EUR	25,000,000 EUR	—	—	1,942,000,000 EUR	—	19,000,000 EUR	25,000,000 EUR	2,351,000,000 EUR	2,339,000,000 EUR	18,000,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	—	—	—	—	—	—	—	244,000,000 EUR	244,000,000 EUR	423,000,000 EUR	—	—	423,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	—	—	—	—	—	—	—	11,000,000 EUR	—	14,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	—	25,000,000 EUR	—	4,000,000 EUR	- EUR	—	—	255,000,000 EUR	284,000,000 EUR	409,000,000 EUR	—	—	421,000,000 EUR	—	—	6,000,000 EUR	- EUR	—	6,000,000 EUR	—	—	—	—	—
Dividends recognised as distributions to owners	—	—	—	—	—	—	—	—	- EUR	- EUR	- EUR	—	—	- EUR	—	—	—	—	—	—	—	—	—	—	—
Increase through other contributions by owners, equity	—	—	496,000,000 EUR	—	—	—	—	—	496,000,000 EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—