Statement Of Changes In Equity [Abstract]

NOS SGPS - Filing #3250908

Concept	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Increase (decrease) through appropriation of retained earnings, equity	- EUR	3,344,000 EUR	- EUR	- EUR	224,574,000 EUR	- EUR	- EUR	221,230,000 EUR	144,159,000 EUR	144,159,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR
Purchase of treasury shares	- EUR	- EUR	5,171,000 EUR	5,171,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	- EUR	7,087,000 EUR	7,087,000 EUR	- EUR	- EUR	- EUR