Statement Of Changes In Equity [Abstract]

SES FDR - Filing #2813737

Concept	As at 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	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	As at 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2022-01-01 to 2022-12-31	2021-01-01 to 2021-12-31	As at 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	2021-01-01 to 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	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 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	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31	As at 2020-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	5,658,000,000 EUR	—	—	—	—	—	—	—	1,175,000,000 EUR	2,428,000,000 EUR	62,000,000 EUR	1,564,000,000 EUR	34,000,000 EUR	80,000,000 EUR	696,000,000 EUR	153,000,000 EUR	5,596,000,000 EUR	—	—	—	—	189,000,000 EUR	453,000,000 EUR	2,227,000,000 EUR	1,175,000,000 EUR	—	—	—	5,733,000,000 EUR	—	351,000,000 EUR	—	—	5,670,000,000 EUR	—	1,636,000,000 EUR	719,000,000 EUR	63,000,000 EUR	—	—	86,000,000 EUR	72,000,000 EUR	5,366,000,000 EUR	719,000,000 EUR	76,000,000 EUR	710,000,000 EUR	2,583,000,000 EUR	1,636,000,000 EUR	5,438,000,000 EUR	1,300,000,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	—	– EUR	– EUR	– EUR	35,000,000 EUR	– EUR	34,000,000 EUR	1,000,000 EUR	—	—	—	—	—	—	—	—	—	34,000,000 EUR	– EUR	– EUR	7,000,000 EUR	—	—	—	—	– EUR	– EUR	453,000,000 EUR	—	– EUR	—	– EUR	– EUR	—	– EUR	—	—	—	446,000,000 EUR	453,000,000 EUR	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	—	– EUR	– EUR	4,000,000 EUR	204,000,000 EUR	– EUR	– EUR	2,000,000 EUR	—	—	—	—	—	—	—	—	—	202,000,000 EUR	– EUR	198,000,000 EUR	– EUR	—	—	—	—	– EUR	3,000,000 EUR	362,000,000 EUR	—	– EUR	—	359,000,000 EUR	– EUR	—	– EUR	—	—	—	362,000,000 EUR	– EUR	—	—	—	—	—	—	—	—	—	—
Comprehensive income	—	– EUR	– EUR	4,000,000 EUR	169,000,000 EUR	– EUR	34,000,000 EUR	1,000,000 EUR	—	—	—	—	—	—	—	—	—	168,000,000 EUR	– EUR	198,000,000 EUR	7,000,000 EUR	—	—	—	—	– EUR	3,000,000 EUR	815,000,000 EUR	—	– EUR	—	359,000,000 EUR	– EUR	—	– EUR	—	—	—	808,000,000 EUR	453,000,000 EUR	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	—	– EUR	– EUR	219,000,000 EUR	219,000,000 EUR	– EUR	– EUR	– EUR	—	—	—	—	—	—	—	—	—	219,000,000 EUR	– EUR	– EUR	2,000,000 EUR	—	—	—	—	– EUR	181,000,000 EUR	181,000,000 EUR	—	– EUR	—	– EUR	– EUR	—	– EUR	—	—	—	183,000,000 EUR	– EUR	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through changes in ownership interests in subsidiaries that do not result in loss of control, equity	—	– EUR	– EUR	– EUR	2,000,000 EUR	– EUR	– EUR	2,000,000 EUR	—	—	—	—	—	—	—	—	—	– EUR	– EUR	– EUR	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	—	– EUR	– EUR	9,000,000 EUR	9,000,000 EUR	– EUR	– EUR	– EUR	—	—	—	—	—	—	—	—	—	9,000,000 EUR	– EUR	– EUR	– EUR	—	—	—	—	– EUR	5,000,000 EUR	5,000,000 EUR	—	– EUR	—	– EUR	– EUR	—	– EUR	—	—	—	5,000,000 EUR	– EUR	—	—	—	—	—	—	—	—	—	—