v3.26.1
Transactions with related parties - Impact of transactions and positions with related parties (Details) - EUR (€)
€ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Transactions With Related Parties      
Cash and cash equivalents € 8,100 € 8,183  
Other current financial assets 3,710 1,085  
Trade and other receivables 12,436 16,901  
Other current assets 3,943 3,662  
Other non-current financial assets 1,109 3,215  
Other non-current assets 2,839 4,011  
Short-term debt 4,929 4,238  
Current portion of long-term debt 3,434 4,582  
Current portion of non-current lease liabilities 1,263 1,279  
Trade and other payables 20,261 22,092  
Other current liabilities 4,039 5,049  
Long-term debt 20,139 21,570  
Non-current lease liabilities 4,437 5,174  
Other non-current liabilities € 3,390 € 4,449  
Other current financial assets, Percentage 63.53% 4.42%  
Trade and other receivables, Percentage 11.06% 9.47%  
Other current assets, Percentage 1.93% 1.47%  
Other non-current financial assets, Percentage 55.18% 74.03%  
Other non-current assets, Percentage 7.29% 3.54%  
Short-term debt, Percentage 5.38% 3.21%  
Current portion of long-term debt, Percentage 3.73% 0.46%  
Current portion of non-current lease liabilities, Percentage 8.55% 11.88%  
Trade and other payables, Percentage 21.14% 18.18%  
Other current liabilities, Percentage 2.13% 0.67%  
Long-term debt, Percentage 0.26% 0.37%  
Non-current lease liabilities, Percentage 0.90% 0.60%  
Other non-current liabilities, Percentage 13.63% 11.69%  
Sales from operations € 82,151 € 88,797 € 93,717
Other income and revenues 1,478 2,417 1,099
Purchases, services and other (67,056) (71,114) (73,836)
Net (impairments) reversals of trade and other receivables (11) (168) (249)
Payroll and related costs (3,229) (3,262) (3,136)
Other operating income (expense) 641 (352) 478
Finance income 7,196 7,715 7,417
Finance expense (8,170) (8,980) (8,113)
Derivative financial instruments (80) 278 (61)
Other income (expense) from investments € 426 € 984 € 1,108
Sales from operations, Percentage 3.62% 3.38% 4.61%
Other income and revenues, Percentage 19.28% 11.54% 14.19%
Purchases, services and other, Percentage 26.50% 24.47% 21.51%
Net (impairments) reversals of trade and other receivables, Percentage 9.09% 1.19%  
Payroll and related costs, Percentage     0.26%
Other operating income (expense), Percentage     3.56%
Financial income, Percentage 2.99% 2.57% 2.09%
Financial expense, Percentage 0.94% 0.63% 0.35%
Other income (expense) from investments, Percentage     40.16%
Net cash provided by operating activities € 13,330 € 13,092 € 15,119
Net cash used in investing activities (9,298) (9,817) (9,365)
Net cash used in financing activities (3,596) (5,380) (5,668)
Change in cash and cash equivalents (198) 83 (62)
Net increase (decrease) in cash and cash equivalents € 238 € (2,022) € 24
Net cash used in investing activities, Percentage 34.21% 31.99% 18.10%
Net cash used in financing activities, Percentage 11.32% 0.37% 2.86%
Related parties      
Transactions With Related Parties      
Other current financial assets € 2,357 € 48  
Trade and other receivables 1,375 1,601  
Other current assets 76 54  
Other non-current financial assets 612 2,380  
Other non-current assets 207 142  
Short-term debt 265 136  
Current portion of long-term debt 128 21  
Current portion of non-current lease liabilities 108 152  
Trade and other payables 4,283 4,017  
Other current liabilities 86 34  
Long-term debt 52 79  
Non-current lease liabilities 40 31  
Other non-current liabilities 462 520  
Sales from operations 2,973 2,997 € 4,322
Other income and revenues 285 279 156
Purchases, services and other (17,769) (17,404) (15,885)
Net (impairments) reversals of trade and other receivables (1) (2) 5
Payroll and related costs 17 3 (8)
Other operating income (expense) (264) 201 17
Finance income 215 198 155
Finance expense (77) (57) (28)
Derivative financial instruments     1
Other income (expense) from investments (18) (12) 445
Revenue and other income cash flow 3,258 3,276 4,478
Costs and other expenses cash flow (15,198) (15,056) (13,539)
Other operating income (loss) cash flow (264) 201 17
Net change in trade and other receivables and payables 691 (61) 1,916
Net interests cash flow 138 132 117
Net cash provided by operating activities (11,375) (11,508) (7,011)
Capital expenditure in tangible and intangible assets (2,555) (2,347) (2,349)
Disposal of investments     440
Net change in accounts payable and receivable in relation to investments 93 (292) 504
Change in financial receivables (719) (501) (290)
Net cash used in investing activities (3,181) (3,140) (1,695)
Change in financial and lease liabilities (407) (20) (162)
Net cash used in financing activities (407) (20) (162)
Change in cash and cash equivalents   (3) (7)
Net increase (decrease) in cash and cash equivalents € (14,963) € (14,671) € (8,875)