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Other operating expenses
12 Months Ended
Dec. 31, 2024
Other operating expenses [Abstract]  
Disclosure of other operating expense [text block]
2.2. OTHER OPERATING EXPENSES
Set out below is a breakdown of other operating expenses:
(Million euro)20242023Var. 24/232022Var. 23/22
Subcontracted work3,550 3,337 213 2,975 362 
Leases257 251 257 (6)
Repairs and maintenance75 82 (7)89 (7)
Independent professional services454 485 (31)449 36 
Changes in provisions for liabilities (Note 6.3)(36)53 (89)(68)121 
Other operating expenses631 670 (39)480 190 
Total other operating expenses4,931 4,878 53 4,182 696