Statement Of Changes In Equity [Abstract]

Galp Energia - Filing #5825859

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	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	2024-01-01 to 2024-12-31	As at 2024-12-31	As at 2024-12-31	As at 2024-12-31	2023-01-01 to 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 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	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	As at 2023-12-31	As at 2023-12-31	2023-01-01 to 2023-12-31	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	As at 2022-12-31
Statement of changes in equity [abstract]
Statement of changes in equity [line items]
Equity	—	—	—	—	2,418,000,000 EUR	0 EUR	—	753,000,000 EUR	950,000,000 EUR	6,000,000 EUR	47,000,000 EUR	—	—	4,689,000,000 EUR	—	—	—	22,000,000 EUR	1,579,000,000 EUR	5,638,000,000 EUR	—	—	5,329,000,000 EUR	—	2,187,000,000 EUR	—	—	—	—	920,000,000 EUR	0 EUR	—	773,000,000 EUR	128,000,000 EUR	0 EUR	1,529,000,000 EUR	—	48,000,000 EUR	4,409,000,000 EUR	—	5,117,000,000 EUR	956,000,000 EUR	82,000,000 EUR	1,701,000,000 EUR	0 EUR	815,000,000 EUR	4,161,000,000 EUR	1,535,000,000 EUR	13,000,000 EUR	14,000,000 EUR
Changes in equity [abstract]
Comprehensive income [abstract]
Profit (loss)	0 EUR	1,040,000,000 EUR	0 EUR	0 EUR	—	—	0 EUR	—	—	—	—	1,040,000,000 EUR	186,000,000 EUR	—	1,226,000,000 EUR	0 EUR	0 EUR	—	—	—	1,451,000,000 EUR	0 EUR	—	1,242,000,000 EUR	—	209,000,000 EUR	1,242,000,000 EUR	0 EUR	0 EUR	—	—	0 EUR	—	—	—	—	0 EUR	—	—	0 EUR	—	—	—	—	—	—	—	—	—	—
Other comprehensive income	0 EUR	52,000,000 EUR	0 EUR	0 EUR	—	—	134,000,000 EUR	—	—	—	—	12,000,000 EUR	44,000,000 EUR	—	96,000,000 EUR	70,000,000 EUR	0 EUR	—	—	—	141,000,000 EUR	0 EUR	—	95,000,000 EUR	—	46,000,000 EUR	13,000,000 EUR	0 EUR	141,000,000 EUR	—	—	0 EUR	—	—	—	—	0 EUR	—	—	34,000,000 EUR	—	—	—	—	—	—	—	—	—	—
Comprehensive income	0 EUR	1,092,000,000 EUR	0 EUR	0 EUR	—	—	134,000,000 EUR	—	—	—	—	1,028,000,000 EUR	230,000,000 EUR	—	1,322,000,000 EUR	70,000,000 EUR	0 EUR	—	—	—	1,310,000,000 EUR	0 EUR	—	1,147,000,000 EUR	—	163,000,000 EUR	1,255,000,000 EUR	0 EUR	141,000,000 EUR	—	—	0 EUR	—	—	—	—	0 EUR	—	—	34,000,000 EUR	—	—	—	—	—	—	—	—	—	—
Dividends recognised as distributions to owners	0 EUR	419,000,000 EUR	0 EUR	0 EUR	—	—	0 EUR	—	—	—	—	419,000,000 EUR	201,000,000 EUR	—	619,000,000 EUR	0 EUR	0 EUR	—	—	—	619,000,000 EUR	0 EUR	—	422,000,000 EUR	—	197,000,000 EUR	422,000,000 EUR	0 EUR	0 EUR	—	—	0 EUR	—	—	—	—	0 EUR	—	—	0 EUR	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through other changes, equity	0 EUR	0 EUR	0 EUR	0 EUR	—	—	0 EUR	—	—	—	—	0 EUR	0 EUR	—	0 EUR	0 EUR	0 EUR	—	—	—	4,000,000 EUR	0 EUR	—	2,000,000 EUR	—	2,000,000 EUR	111,000,000 EUR	82,000,000 EUR	0 EUR	—	—	0 EUR	—	—	—	—	31,000,000 EUR	—	—	0 EUR	—	—	—	—	—	—	—	—	—	—
Increase (decrease) through share-based payment transactions, equity	0 EUR	6,000,000 EUR	0 EUR	0 EUR	—	—	0 EUR	—	—	—	—	3,000,000 EUR	0 EUR	—	6,000,000 EUR	0 EUR	3,000,000 EUR	—	—	—	25,000,000 EUR	0 EUR	—	25,000,000 EUR	—	0 EUR	0 EUR	0 EUR	0 EUR	—	—	0 EUR	—	—	—	—	25,000,000 EUR	—	—	0 EUR	—	—	—	—	—	—	—	—	—	—