| Investment |
Investments The following table provides amortized cost, gross unrealized gains, gross unrealized losses and fair value for our fixed-maturity and short-term investments: | | | | | | | | | | | | | | | | | | | | | | | | | | | | (Dollars in millions) | | Amortized cost | | Gross unrealized | | Fair value | | At September 30, 2026 | | | gains | | losses | | | Fixed-maturity: | | | | | | | | | | Corporate | | $ | 11,191 | | | $ | 27 | | | $ | 676 | | | $ | 10,542 | | | States, municipalities and political subdivisions | | 4,982 | | | — | | | 507 | | | 4,475 | | | Government-sponsored enterprises | | 2,948 | | | — | | | 268 | | | 2,680 | | | Asset-backed | | 945 | | | — | | | 47 | | | 898 | | | United States government | | 326 | | | — | | | 15 | | | 311 | | | Foreign government | | 19 | | | — | | | — | | | 19 | | | | | | | | | | | | Total fixed-maturity | | 20,411 | | | 27 | | | 1,513 | | | 18,925 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Short-term | | 144 | | | — | | | 3 | | | 141 | | | Total fixed-maturity and short-term investments | | $ | 20,555 | | | $ | 27 | | | $ | 1,516 | | | $ | 19,066 | | | At December 31, 2025 | | | | | | | | | | Fixed-maturity: | | | | | | | | | | Corporate | | $ | 9,750 | | | $ | 164 | | | $ | 203 | | | $ | 9,711 | | | States, municipalities and political subdivisions | | 5,065 | | | 35 | | | 181 | | | 4,919 | | | Government-sponsored enterprises | | 2,360 | | | 3 | | | 4 | | | 2,359 | | | Asset-backed | | 793 | | | 12 | | | 8 | | | 797 | | | United States government | | 312 | | | 2 | | | 1 | | | 313 | | | Foreign government | | 24 | | | — | | | — | | | 24 | | | | | | | | | | | | Total fixed-maturity | | 18,304 | | | 216 | | | 397 | | | 18,123 | | | Short-term | | 148 | | | — | | | — | | | 148 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total fixed-maturity and short-term investments | | $ | 18,452 | | | $ | 216 | | | $ | 397 | | | $ | 18,271 | | | | | | | | | | |
The increase in net unrealized investment losses in our fixed-maturity portfolio at September 30, 2026, is primarily due to an increase in U.S. Treasury yields and a slight widening of corporate credit spreads. Our asset-backed securities had an average rating of Aa2/AA at both September 30, 2026 and December 31, 2025. The table below provides fair values and gross unrealized losses by investment category and by the duration of the continuous unrealized loss positions: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (Dollars in millions) | | Less than 12 months | | 12 months or more | | Total | | At September 30, 2026 | | Fair value | | Unrealized losses | | Fair value | | Unrealized losses | | Fair value | | Unrealized losses | | Fixed-maturity: | | | | | | | | | | | | | | Corporate | | $ | 6,972 | | | $ | 355 | | | $ | 2,473 | | | $ | 321 | | | $ | 9,445 | | | $ | 676 | | | States, municipalities and political subdivisions | | 2,436 | | | 147 | | | 1,852 | | | 360 | | | 4,288 | | | 507 | | | Government-sponsored enterprises | | 2,397 | | | 242 | | | 283 | | | 26 | | | 2,680 | | | 268 | | | Asset-backed | | 642 | | | 28 | | | 198 | | | 19 | | | 840 | | | 47 | | | United States government | | 293 | | | 14 | | | 18 | | | 1 | | | 311 | | | 15 | | | Foreign government | | 19 | | | — | | | — | | | — | | | 19 | | | — | | | Total fixed-maturity | | 12,759 | | | 786 | | | 4,824 | | | 727 | | | 17,583 | | | 1,513 | | | Short-term | | 141 | | | 3 | | | — | | | — | | | 141 | | | 3 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total fixed-maturity and short-term investments | | $ | 12,900 | | | $ | 789 | | | $ | 4,824 | | | $ | 727 | | | $ | 17,724 | | | $ | 1,516 | | | At December 31, 2025 | | | | | | | | | | | | | | Fixed-maturity: | | | | | | | | | | | | | | Corporate | | $ | 849 | | | $ | 15 | | | $ | 2,926 | | | $ | 188 | | | $ | 3,775 | | | $ | 203 | | | States, municipalities and political subdivisions | | 204 | | | 2 | | | 2,346 | | | 179 | | | 2,550 | | | 181 | | | Government-sponsored enterprises | | 983 | | | 3 | | | 195 | | | 1 | | | 1,178 | | | 4 | | | Asset-backed | | 101 | | | 2 | | | 184 | | | 6 | | | 285 | | | 8 | | | United States government | | 69 | | | — | | | 20 | | | 1 | | | 89 | | | 1 | | | | | | | | | | | | | | | | Total fixed-maturity | | $ | 2,206 | | | $ | 22 | | | $ | 5,671 | | | $ | 375 | | | $ | 7,877 | | | $ | 397 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Contractual maturity dates for our fixed-maturity and short-term investments were: | | | | | | | | | | | | | | | | | | | | | | (Dollars in millions) | | Amortized cost | | Fair value | | % of fair value | | At September 30, 2026 | | | | | Maturity dates: | | | | | | | | Due in one year or less | | $ | 854 | | | $ | 846 | | | 4.4 | % | | Due after one year through five years | | 3,239 | | | 3,175 | | | 16.7 | | | Due after five years through ten years | | 5,606 | | | 5,296 | | | 27.8 | | | Due after ten years | | 10,856 | | | 9,749 | | | 51.1 | | | Total | | $ | 20,555 | | | $ | 19,066 | | | 100.0 | % | | | | | | | |
Actual maturities may differ from contractual maturities when there is a right to call or prepay obligations with or without call or prepayment penalties. The following table provides investment income and investment gains and losses, net: | | | | | | | | | | | | | | | | | | | | | | | | | (Dollars in millions) | Three months ended September 30, | | Nine months ended September 30, | | 2026 | | 2025 | | 2026 | | 2025 | | Investment income: | | | | | | | | | Interest | $ | 252 | | | $ | 227 | | | $ | 731 | | | $ | 651 | | | Dividends | 66 | | | 69 | | | 214 | | | 206 | | | Other | 11 | | | 4 | | | 31 | | | 16 | | | Total | 329 | | | 300 | | | 976 | | | 873 | | | Less investment expenses | 4 | | | 5 | | | 14 | | | 13 | | | Total | $ | 325 | | | $ | 295 | | | $ | 962 | | | $ | 860 | | | | | | | | | | | Investment gains and losses, net: | | | | | | | | | Equity securities: | | | | | | | | | Investment gains and losses on securities sold, net | $ | 5 | | | $ | (9) | | | $ | 255 | | | $ | (5) | | | Unrealized gains and losses on securities still held, net | 1 | | | 855 | | | 980 | | | 1,259 | | | Subtotal | 6 | | | 846 | | | 1,235 | | | 1,254 | | | Fixed-maturity securities: | | | | | | | | | Gross realized gains | — | | | 2 | | | 9 | | | 3 | | | Gross realized losses | (3) | | | (1) | | | (5) | | | (1) | | | Change in allowance for credit losses, net | (5) | | | — | | | (7) | | | (15) | | | | | | | | | | | Subtotal | (8) | | | 1 | | | (3) | | | (13) | | | | | | | | | | | Other | 22 | | | 6 | | | 26 | | | 18 | | | | | | | | | | | Total | $ | 20 | | | $ | 853 | | | $ | 1,258 | | | $ | 1,259 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
The fair value of our equity portfolio was $13.145 billion and $12.694 billion at September 30, 2026, and December 31, 2025, respectively. Apple Inc. (Nasdaq:AAPL), an equity holding, was our largest single investment holding with fair values of $1.156 billion and $958 million, which was 9.0% and 7.7% of our publicly traded common equities portfolio and 3.6% and 3.1% of the total investment portfolio at September 30, 2026, and December 31, 2025.
The allowance for credit losses on fixed-maturity securities was $59 million and $54 million at September 30, 2026, and December 31, 2025, respectively. Reductions in the allowance for credit losses for securities sold were $1 million and $2 million for the three and nine months ended September 30, 2026. Reductions in the allowance for credit losses for securities sold were $6 million and $7 million for the three and nine months ended September 30, 2025.
There were 5,241 and 2,597 fixed-maturity investments in a total unrealized loss position of $1.516 billion and $397 million at September 30, 2026, and December 31, 2025, respectively. Of those totals, 113 and 13 fixed-maturity securities had fair values below 70% of amortized cost at September 30, 2026, and December 31, 2025, respectively.
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