Statement Of Comprehensive Income [Abstract]

SES FDR - Filing #5985020

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	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	2023-01-01 to 2023-12-31
Statement of comprehensive income [abstract]
Profit (loss)	- EUR	- EUR	- EUR	15,000,000 EUR	- EUR	- EUR	- EUR	15,000,000 EUR	12,000,000 EUR	27,000,000 EUR	904,000,000 EUR	- EUR	905,000,000 EUR	- EUR	- EUR	1,000,000 EUR	905,000,000 EUR	- EUR	- EUR	- EUR
Other comprehensive income [abstract]
Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract]
Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans	—	—	—	—	—	—	—	—	—	1,000,000 EUR	- EUR	—	—	—	—	—	—	—	—	—
Other comprehensive income that will not be reclassified to profit or loss, net of tax	—	—	—	—	—	—	—	—	—	1,000,000 EUR	- EUR	—	—	—	—	—	—	—	—	—
Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract]
Exchange differences on translation [abstract]
Other comprehensive income, net of tax, exchange differences on translation of foreign operations	—	—	—	—	—	—	—	—	—	216,000,000 EUR	185,000,000 EUR	—	—	—	—	—	—	—	—	—
Hedges of net investment in foreign operations [abstract]
Other comprehensive income, net of tax, hedges of net investments in foreign operations	—	—	—	—	—	—	—	—	—	11,000,000 EUR	16,000,000 EUR	—	—	—	—	—	—	—	—	—
Other comprehensive income that will be reclassified to profit or loss, net of tax	—	—	—	—	—	—	—	—	—	205,000,000 EUR	169,000,000 EUR	—	—	—	—	—	—	—	—	—
Other comprehensive income	- EUR	- EUR	1,000,000 EUR	203,000,000 EUR	- EUR	- EUR	204,000,000 EUR	- EUR	1,000,000 EUR	204,000,000 EUR	169,000,000 EUR	- EUR	169,000,000 EUR	- EUR	- EUR	- EUR	- EUR	- EUR	169,000,000 EUR	- EUR
Comprehensive income	- EUR	- EUR	1,000,000 EUR	218,000,000 EUR	- EUR	- EUR	204,000,000 EUR	15,000,000 EUR	13,000,000 EUR	231,000,000 EUR	1,073,000,000 EUR	- EUR	1,074,000,000 EUR	- EUR	- EUR	1,000,000 EUR	905,000,000 EUR	- EUR	169,000,000 EUR	- EUR
Comprehensive income attributable to [abstract]
Comprehensive income, attributable to owners of parent	—	—	—	—	—	—	—	—	—	218,000,000 EUR	1,074,000,000 EUR	—	—	—	—	—	—	—	—	—
Comprehensive income, attributable to non-controlling interests	—	—	—	—	—	—	—	—	—	13,000,000 EUR	1,000,000 EUR	—	—	—	—	—	—	—	—	—