Schedule of Investment Securities |
| | | | | | | | | | | | | | | | | | | | | | | | | | |
| March 31, 2020 |
| December 31, 2019 | (In millions) | Amortized cost |
| Gross unrealized gains |
| Gross unrealized losses |
| Estimated fair value |
|
| Amortized cost |
| Gross unrealized gains |
| Gross unrealized losses |
| Estimated fair value |
|
|
|
|
|
|
|
|
|
|
| Debt |
|
|
|
|
|
|
|
|
| U.S. corporate | $ | 23,167 |
| $ | 3,795 |
| $ | (493 | ) | $ | 26,470 |
|
| $ | 23,037 |
| $ | 4,636 |
| $ | (11 | ) | $ | 27,661 |
| Non-U.S. corporate | 2,155 |
| 150 |
| (60 | ) | 2,246 |
|
| 2,161 |
| 260 |
| (1 | ) | 2,420 |
| State and municipal | 3,090 |
| 638 |
| (21 | ) | 3,708 |
|
| 3,086 |
| 598 |
| (15 | ) | 3,669 |
| Mortgage and asset-backed | 3,296 |
| 51 |
| (143 | ) | 3,205 |
|
| 3,117 |
| 116 |
| (4 | ) | 3,229 |
| Government and agencies | 1,269 |
| 157 |
| — |
| 1,427 |
|
| 1,391 |
| 126 |
| — |
| 1,516 |
| Equity | 5,245 |
| — |
| — |
| 5,245 |
|
| 10,025 |
| — |
| — |
| 10,025 |
| Total | $ | 38,223 |
| $ | 4,792 |
| $ | (716 | ) | $ | 42,299 |
|
| $ | 42,816 |
| $ | 5,736 |
| $ | (31 | ) | $ | 48,521 |
|
|
Contractual Maturities of Investment in Available-for-Sale Debt Securities (Excluding Mortgage and Asset-Backed Securities) |
Contractual maturities of investments in debt securities (excluding mortgage and asset-backed securities) at March 31, 2020 are as follows: | | | | | | | | (In millions) | Amortized cost |
| Estimated fair value |
| | | | Due | | | Within one year | $ | 610 |
| $ | 621 |
| After one year through five years | 2,328 |
| 2,400 |
| After five years through ten years | 6,616 |
| 7,226 |
| After ten years | 20,128 |
| 23,603 |
|
|