v3.25.2
Financial liabilities (Tables)
6 Months Ended
Jun. 30, 2025
Disclosure of financial liabilities [abstract]  
Schedule of components of financial liabilities other than hedging derivatives
The following is a breakdown of Grupo Santander's financial liabilities, other than the balances corresponding to the Derivatives - hedge accounting heading, as of 30 June 2025 and 31 December 2024, presented by nature and categories for valuation purposes:
EUR million
30-06-202531-12-2024
Financial
liabilities
held for
trading
Financial
liabilities
designated at
fair value through
profit or loss
Financial
liabilities at
amortised cost
Financial
liabilities
held for
trading
Financial
liabilities
designated at
fair value through
profit or loss
Financial
liabilities at
amortised cost
Derivatives50,396 57,753 
Short Positions34,473 35,830 
Deposits70,813 25,842 1,054,043 58,568 28,806 1,126,439 
Central banks10,096 1,594 20,482 13,300 1,774 24,882 
Credit institutions20,720 1,749 87,828 26,284 1,625 90,012 
Customer39,997 22,499 945,733 18,984 25,407 1,011,545 
Debt instruments— 9,671 302,292 — 7,554 317,967 
Other financial liabilities— — 44,297 — — 39,916 
Total
155,682 35,513 1,400,632 152,151 36,360 1,484,322 
Disclosure of composition and reconciliation of debt instruments
The detail of the balance of debt instruments issued according to their nature is:
EUR million
30-06-202531-12-2024
Bonds and debentures outstanding244,891 252,765 
Subordinated30,951 35,461 
Promissory notes and other securities36,121 37,295 
Total debt instruments issued311,963 325,521 
The detail, at 30 June 2025 and 2024, of the outstanding balance of the debt instruments, excluding promissory notes, which at these dates had been issued by Banco Santander or any other Group entity is disclosed below. Also included is the detail of the changes in this balance in the first six months of 2025 and 2024:

EUR million
30-06-2025
Opening balance as at 01-01-2025PerimeterIssuances or placementsRepurchases or
redemptions
Exchange
rate and other
adjustments
Closing balance as at 06-30-25
Bonds and debentures outstanding252,765 — 37,180 (32,874)(12,180)244,891 
Subordinated35,461 — 278 (3,147)(1,641)30,951 
Bonds and debentures outstanding and subordinated liabilities issued288,226  37,458 (36,021)(13,821)275,842 
EUR million
30-06-2024
Opening balance as at 01-01-2024PerimeterIssuances or placementsRepurchases or
redemptions
Exchange
rate and other
adjustments
Closing balance as at 06-30-24
Bonds and debentures outstanding231,880 (1,224)41,185 (32,172)27 239,696 
Subordinated30,529 — 3,908 (2,422)96 32,111 
Bonds and debentures outstanding and subordinated liabilities issued262,409 (1,224)45,093 (34,594)123 271,807 
Schedule of financial liabilities measured at other than fair value
Following is a comparison between the value by which Grupo Santander’s financial liabilities are recorded that are measured using criteria other than fair value and their corresponding fair value at 30 June 2025 and 31 December 2024:
EUR million
30-06-202531-12-2024
Carrying amountFair valueCarrying amountFair value
Deposits1,054,043 1,054,610 1,126,439 1,125,532 
Debt instruments302,292 303,170 317,967 317,912 
Liabilities1,356,335 1,357,780 1,444,406 1,443,444