v3.25.4
Fair value measurements (Tables)
12 Months Ended
Dec. 31, 2025
Fair Value Disclosures [Abstract]  
Schedule of financial assets and liabilities measured at fair value
During the year ended December 31, 2025 and December 31, 2024, there were no transfers between Level 1 and Level 2 or Level 2 and Level 3.
December 31, 2025December 31, 2024
Fair valueTotal carrying
amount /
fair value
Fair valueTotal carrying
amount /
fair value
Level 1Level 2Level 1Level 2
Items that are recognized at fair value on a recurring basis:
Financial assets
Available-for-sale investments
US government and federal agencies1,342,083 1,340,388 2,682,471 991,357 1,172,262 2,163,619 
Non-US governments debt securities— — — 93,468 — 93,468 
Asset-backed securities - Student loans— — — — 40 40 
Residential mortgage-backed securities— 13,782 13,782 — 15,359 15,359 
Total available-for-sale1,342,083 1,354,170 2,696,253 1,084,825 1,187,661 2,272,486 
Other assets - Derivatives— 1,064 1,064 — 35,478 35,478 
Financial liabilities
Other liabilities - Derivatives— 5,267 5,267 — 2,039 2,039 
Items other than those recognized at fair value on a recurring basis
Items Other Than Those Recognized at Fair Value on a Recurring Basis:
December 31, 2025December 31, 2024
LevelCarrying
amount
Fair
 value
Appreciation /
(depreciation)
Carrying
amount
Fair
 value
Appreciation /
(depreciation)
Financial assets
Cash and cash equivalentsLevel 11,708,936 1,708,936 — 1,998,112 1,998,112 — 
Securities purchased under agreements to resellLevel 21,096,238 1,096,238 — 1,205,373 1,205,373 — 
Short-term investmentsLevel 1756,543 756,543 — 580,026 580,026 — 
Investments held-to-maturityLevel 22,992,052 2,566,470 (425,582)3,240,290 2,671,040 (569,250)
Loans, net of allowance for credit lossesLevel 24,382,411 4,367,439 (14,972)4,473,591 4,433,872 (39,719)
Financial liabilities
Term depositsLevel 23,941,581 3,944,728 (3,147)4,478,257 4,482,978 (4,721)
Securities sold under agreements to repurchaseLevel 2— — — 92,562 92,562 — 
Long-term debtLevel 2— — — 98,725 98,361 364