The cost basis and fair value of available-for-sale debt securities at June 30, 2025, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to prepay and creditors may have the right to call obligations. | | | | | | | | | | | | | | | | | June 30, 2025 | (Millions of dollars) | Cost Basis | | Fair Value | Due in one year or less | $ | 873 | | | $ | 875 | | Due after one year through five years | 1,445 | | | 1,453 | | Due after five years through ten years | 294 | | | 297 | | Due after ten years | 144 | | | 143 | | U.S. governmental agency mortgage-backed securities | 508 | | | 485 | | Residential mortgage-backed securities | 1 | | | 1 | | Commercial mortgage-backed securities | 135 | | | 132 | | Total debt securities – available-for-sale | $ | 3,400 | | | $ | 3,386 | | | | | |
|