Statement Of Changes In Equity [Abstract]

Ericsson - Filing #3685811

Concept	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	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	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	2022-01-01 to 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Increase (decrease) through transfer between revaluation surplus and retained earnings, equity	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	– SEK	– SEK	– SEK	758,000,000 SEK	– SEK	758,000,000 SEK	– SEK	– SEK	– SEK
Purchase of treasury shares	– SEK	21,000,000 SEK	– SEK	21,000,000 SEK	– SEK	21,000,000 SEK	– SEK	– SEK	– SEK	50,000,000 SEK	50,000,000 SEK	– SEK	– SEK	50,000,000 SEK	– SEK	– SEK	– SEK	– SEK	—	—	—	—	—	—	—	—	—