Fair Value Measurements - Changes in level 3 recurring fair value measurements, assets (Details) - USD ($)
$ in Millions |
12 Months Ended |
Dec. 31, 2025 |
Dec. 31, 2024 |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
$ 32,202
|
$ 26,627
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
357
|
747
|
| Other Comprehensive Income (Loss) |
578
|
370
|
| Purchases, Sales, Issuances and Settlements, Net |
1,795
|
3,955
|
| Gross Transfers In |
2,431
|
2,573
|
| Gross Transfers Out |
(3,723)
|
(2,046)
|
| Other |
0
|
(24)
|
| Fair Value End of Year |
$ 33,640
|
$ 32,202
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Total net realized losses
|
Total net realized losses
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] |
Other comprehensive income (loss)
|
Other comprehensive income (loss)
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
$ 17
|
$ (13)
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
$ 360
|
$ 242
|
| Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Total net realized losses
|
Total net realized losses
|
| Market risk benefit assets, at fair value |
$ 2,392
|
$ 1,332
|
| Level 3 |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Market risk benefit assets, at fair value |
2,392
|
1,332
|
| Bonds available-for-sale |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
28,973
|
23,412
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
347
|
710
|
| Other Comprehensive Income (Loss) |
524
|
385
|
| Purchases, Sales, Issuances and Settlements, Net |
1,936
|
3,712
|
| Gross Transfers In |
2,223
|
2,532
|
| Gross Transfers Out |
(3,470)
|
(1,776)
|
| Other |
0
|
(2)
|
| Fair Value End of Year |
30,533
|
28,973
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
0
|
0
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
360
|
242
|
| Bonds available-for-sale | Obligations of states, municipalities and political subdivisions |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
745
|
844
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(3)
|
(1)
|
| Other Comprehensive Income (Loss) |
(1)
|
(72)
|
| Purchases, Sales, Issuances and Settlements, Net |
(4)
|
(4)
|
| Gross Transfers In |
24
|
0
|
| Gross Transfers Out |
0
|
(22)
|
| Other |
0
|
0
|
| Fair Value End of Year |
761
|
745
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
0
|
0
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
(19)
|
(77)
|
| Bonds available-for-sale | Corporate debt |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
1,834
|
1,357
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(49)
|
12
|
| Other Comprehensive Income (Loss) |
1
|
(2)
|
| Purchases, Sales, Issuances and Settlements, Net |
369
|
(94)
|
| Gross Transfers In |
626
|
1,057
|
| Gross Transfers Out |
(2,100)
|
(496)
|
| Other |
0
|
0
|
| Fair Value End of Year |
681
|
1,834
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
0
|
0
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
(20)
|
(34)
|
| Bonds available-for-sale | RMBS |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
6,045
|
5,854
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
167
|
290
|
| Other Comprehensive Income (Loss) |
54
|
31
|
| Purchases, Sales, Issuances and Settlements, Net |
(179)
|
155
|
| Gross Transfers In |
80
|
21
|
| Gross Transfers Out |
(312)
|
(304)
|
| Other |
0
|
(2)
|
| Fair Value End of Year |
5,855
|
6,045
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
0
|
0
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
62
|
30
|
| Bonds available-for-sale | CMBS |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
621
|
608
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
24
|
1
|
| Other Comprehensive Income (Loss) |
31
|
95
|
| Purchases, Sales, Issuances and Settlements, Net |
(156)
|
(180)
|
| Gross Transfers In |
224
|
252
|
| Gross Transfers Out |
0
|
(155)
|
| Other |
0
|
0
|
| Fair Value End of Year |
744
|
621
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
0
|
0
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
30
|
22
|
| Bonds available-for-sale | CLO |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
2,162
|
1,843
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
20
|
17
|
| Other Comprehensive Income (Loss) |
4
|
28
|
| Purchases, Sales, Issuances and Settlements, Net |
339
|
553
|
| Gross Transfers In |
15
|
41
|
| Gross Transfers Out |
(485)
|
(320)
|
| Other |
0
|
0
|
| Fair Value End of Year |
2,055
|
2,162
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
0
|
0
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
5
|
29
|
| Bonds available-for-sale | ABS |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
17,566
|
12,906
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
188
|
391
|
| Other Comprehensive Income (Loss) |
435
|
305
|
| Purchases, Sales, Issuances and Settlements, Net |
1,567
|
3,282
|
| Gross Transfers In |
1,254
|
1,161
|
| Gross Transfers Out |
(573)
|
(479)
|
| Other |
0
|
0
|
| Fair Value End of Year |
20,437
|
17,566
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
0
|
0
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
302
|
272
|
| Other bond securities |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
1,541
|
1,323
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
40
|
85
|
| Other Comprehensive Income (Loss) |
0
|
0
|
| Purchases, Sales, Issuances and Settlements, Net |
(29)
|
225
|
| Gross Transfers In |
201
|
41
|
| Gross Transfers Out |
(213)
|
(134)
|
| Other |
0
|
1
|
| Fair Value End of Year |
1,540
|
1,541
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
17
|
43
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
0
|
0
|
| Other bond securities | Obligations of states, municipalities and political subdivisions |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
1
|
1
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
0
|
0
|
| Other Comprehensive Income (Loss) |
0
|
0
|
| Purchases, Sales, Issuances and Settlements, Net |
0
|
0
|
| Gross Transfers In |
0
|
0
|
| Gross Transfers Out |
0
|
0
|
| Other |
0
|
0
|
| Fair Value End of Year |
1
|
1
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
0
|
0
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
0
|
0
|
| Other bond securities | Corporate debt |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
209
|
167
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(2)
|
15
|
| Other Comprehensive Income (Loss) |
0
|
0
|
| Purchases, Sales, Issuances and Settlements, Net |
(14)
|
10
|
| Gross Transfers In |
199
|
20
|
| Gross Transfers Out |
(187)
|
(3)
|
| Other |
0
|
0
|
| Fair Value End of Year |
205
|
209
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
(3)
|
10
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
0
|
0
|
| Other bond securities | RMBS |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
98
|
107
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
5
|
5
|
| Other Comprehensive Income (Loss) |
0
|
0
|
| Purchases, Sales, Issuances and Settlements, Net |
(8)
|
(11)
|
| Gross Transfers In |
0
|
0
|
| Gross Transfers Out |
(8)
|
(3)
|
| Other |
0
|
0
|
| Fair Value End of Year |
87
|
98
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
5
|
3
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
0
|
0
|
| Other bond securities | CMBS |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
14
|
17
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
2
|
1
|
| Other Comprehensive Income (Loss) |
0
|
0
|
| Purchases, Sales, Issuances and Settlements, Net |
0
|
(4)
|
| Gross Transfers In |
0
|
0
|
| Gross Transfers Out |
0
|
0
|
| Other |
0
|
0
|
| Fair Value End of Year |
16
|
14
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
2
|
1
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
0
|
0
|
| Other bond securities | CLO |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
59
|
69
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(5)
|
(2)
|
| Other Comprehensive Income (Loss) |
0
|
0
|
| Purchases, Sales, Issuances and Settlements, Net |
7
|
7
|
| Gross Transfers In |
0
|
0
|
| Gross Transfers Out |
(18)
|
(16)
|
| Other |
0
|
0
|
| Fair Value End of Year |
43
|
59
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
(9)
|
0
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
0
|
0
|
| Other bond securities | ABS |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
1,160
|
962
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
40
|
66
|
| Other Comprehensive Income (Loss) |
0
|
0
|
| Purchases, Sales, Issuances and Settlements, Net |
(14)
|
223
|
| Gross Transfers In |
2
|
21
|
| Gross Transfers Out |
0
|
(112)
|
| Other |
0
|
1
|
| Fair Value End of Year |
1,188
|
1,160
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
22
|
29
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
0
|
0
|
| Equity securities |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
41
|
42
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
17
|
1
|
| Other Comprehensive Income (Loss) |
0
|
0
|
| Purchases, Sales, Issuances and Settlements, Net |
4
|
5
|
| Gross Transfers In |
7
|
0
|
| Gross Transfers Out |
0
|
0
|
| Other |
0
|
(7)
|
| Fair Value End of Year |
69
|
41
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
15
|
0
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
0
|
0
|
| Other invested assets |
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
| Fair Value Beginning of Year |
1,647
|
1,850
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(47)
|
(49)
|
| Other Comprehensive Income (Loss) |
54
|
(15)
|
| Purchases, Sales, Issuances and Settlements, Net |
(116)
|
13
|
| Gross Transfers In |
0
|
0
|
| Gross Transfers Out |
(40)
|
(136)
|
| Other |
0
|
(16)
|
| Fair Value End of Year |
1,498
|
1,647
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Year |
(15)
|
(56)
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Year |
$ 0
|
$ 0
|