Fair Value Measurements - Changes in level 3 recurring fair value measurements, assets (Details) - USD ($)
$ in Millions |
3 Months Ended |
|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
$ 33,640
|
$ 32,202
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(34)
|
191
|
|
| Other Comprehensive Income (Loss) |
(235)
|
342
|
|
| Purchases, Sales, Issuances and Settlements, Net |
415
|
1,019
|
|
| Gross Transfers In |
288
|
615
|
|
| Gross Transfers Out |
(1,671)
|
(1,674)
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
$ 32,403
|
$ 32,695
|
|
| 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), Net of Tax
|
Other Comprehensive Income (Loss), Net of Tax
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
$ (40)
|
$ 13
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
$ (245)
|
$ 270
|
|
| 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 |
$ 2,628
|
|
$ 2,392
|
| Level 3 |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Market risk benefit assets, at fair value |
2,628
|
$ 1,200
|
$ 2,392
|
| Bonds available-for-sale |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
30,533
|
28,973
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
5
|
168
|
|
| Other Comprehensive Income (Loss) |
(226)
|
323
|
|
| Purchases, Sales, Issuances and Settlements, Net |
484
|
1,063
|
|
| Gross Transfers In |
287
|
607
|
|
| Gross Transfers Out |
(1,652)
|
(1,433)
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
29,431
|
29,701
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
0
|
0
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
(245)
|
270
|
|
| 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 |
761
|
745
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(3)
|
0
|
|
| Other Comprehensive Income (Loss) |
(3)
|
14
|
|
| Purchases, Sales, Issuances and Settlements, Net |
(10)
|
(1)
|
|
| Gross Transfers In |
0
|
24
|
|
| Gross Transfers Out |
0
|
0
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
745
|
782
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
0
|
0
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
(9)
|
7
|
|
| Bonds available-for-sale | Corporate debt |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
681
|
1,834
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(11)
|
(4)
|
|
| Other Comprehensive Income (Loss) |
(8)
|
24
|
|
| Purchases, Sales, Issuances and Settlements, Net |
(2)
|
105
|
|
| Gross Transfers In |
209
|
333
|
|
| Gross Transfers Out |
(170)
|
(1,208)
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
699
|
1,084
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
0
|
0
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
(8)
|
15
|
|
| Bonds available-for-sale | RMBS |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
5,855
|
6,045
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
19
|
58
|
|
| Other Comprehensive Income (Loss) |
(59)
|
83
|
|
| Purchases, Sales, Issuances and Settlements, Net |
198
|
54
|
|
| Gross Transfers In |
2
|
58
|
|
| Gross Transfers Out |
(848)
|
(94)
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
5,167
|
6,204
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
0
|
0
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
(59)
|
86
|
|
| Bonds available-for-sale | CMBS |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
744
|
621
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
4
|
5
|
|
| Other Comprehensive Income (Loss) |
5
|
18
|
|
| Purchases, Sales, Issuances and Settlements, Net |
(53)
|
(8)
|
|
| Gross Transfers In |
16
|
68
|
|
| Gross Transfers Out |
0
|
0
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
716
|
704
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
0
|
0
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
2
|
16
|
|
| Bonds available-for-sale | CLO |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
2,055
|
2,162
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(1)
|
7
|
|
| Other Comprehensive Income (Loss) |
(42)
|
2
|
|
| Purchases, Sales, Issuances and Settlements, Net |
96
|
81
|
|
| Gross Transfers In |
15
|
0
|
|
| Gross Transfers Out |
(125)
|
(93)
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
1,998
|
2,159
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
0
|
0
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
(42)
|
3
|
|
| Bonds available-for-sale | ABS |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
20,437
|
17,566
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(3)
|
102
|
|
| Other Comprehensive Income (Loss) |
(119)
|
182
|
|
| Purchases, Sales, Issuances and Settlements, Net |
255
|
832
|
|
| Gross Transfers In |
45
|
124
|
|
| Gross Transfers Out |
(509)
|
(38)
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
20,106
|
18,768
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
0
|
0
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
(129)
|
143
|
|
| Other bond securities |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
1,540
|
1,541
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(14)
|
19
|
|
| Other Comprehensive Income (Loss) |
0
|
0
|
|
| Purchases, Sales, Issuances and Settlements, Net |
(62)
|
(47)
|
|
| Gross Transfers In |
1
|
8
|
|
| Gross Transfers Out |
(19)
|
(201)
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
1,446
|
1,320
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
(15)
|
8
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
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 Period |
1
|
1
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
0
|
0
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
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 |
205
|
209
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(2)
|
(3)
|
|
| Other Comprehensive Income (Loss) |
0
|
0
|
|
| Purchases, Sales, Issuances and Settlements, Net |
4
|
(13)
|
|
| Gross Transfers In |
0
|
8
|
|
| Gross Transfers Out |
0
|
(187)
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
207
|
14
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
(2)
|
(3)
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
0
|
0
|
|
| Other bond securities | RMBS |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
87
|
98
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(1)
|
3
|
|
| Other Comprehensive Income (Loss) |
0
|
0
|
|
| Purchases, Sales, Issuances and Settlements, Net |
(1)
|
(4)
|
|
| Gross Transfers In |
0
|
0
|
|
| Gross Transfers Out |
(19)
|
(8)
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
66
|
89
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
0
|
2
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
0
|
0
|
|
| Other bond securities | CMBS |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
16
|
14
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
1
|
2
|
|
| Other Comprehensive Income (Loss) |
0
|
0
|
|
| Purchases, Sales, Issuances and Settlements, Net |
(10)
|
0
|
|
| Gross Transfers In |
0
|
0
|
|
| Gross Transfers Out |
0
|
0
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
7
|
16
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
0
|
1
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
0
|
0
|
|
| Other bond securities | CLO |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
43
|
59
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(11)
|
1
|
|
| Other Comprehensive Income (Loss) |
0
|
0
|
|
| Purchases, Sales, Issuances and Settlements, Net |
0
|
(2)
|
|
| Gross Transfers In |
1
|
0
|
|
| Gross Transfers Out |
0
|
(6)
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
33
|
52
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
(10)
|
1
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
0
|
0
|
|
| Other bond securities | ABS |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
1,188
|
1,160
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(1)
|
16
|
|
| Other Comprehensive Income (Loss) |
0
|
0
|
|
| Purchases, Sales, Issuances and Settlements, Net |
(55)
|
(28)
|
|
| Gross Transfers In |
0
|
0
|
|
| Gross Transfers Out |
0
|
0
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
1,132
|
1,148
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
(3)
|
7
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
0
|
0
|
|
| Equity securities |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
69
|
41
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(20)
|
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 Period |
49
|
41
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
(19)
|
0
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
0
|
0
|
|
| Other invested assets |
|
|
|
| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
|
|
|
| Fair Value Beginning of Year |
1,498
|
1,647
|
|
| Net Realized and Unrealized Gains (Losses) Included in Income |
(5)
|
4
|
|
| Other Comprehensive Income (Loss) |
(9)
|
19
|
|
| Purchases, Sales, Issuances and Settlements, Net |
(7)
|
3
|
|
| Gross Transfers In |
0
|
0
|
|
| Gross Transfers Out |
0
|
(40)
|
|
| Other |
0
|
0
|
|
| Fair Value End of Period |
1,477
|
1,633
|
|
| Changes in Unrealized Gains (Losses) Included in Income on Instruments Held at End of Period |
(6)
|
5
|
|
| Changes in Unrealized Gains (Losses) Included in Other Comprehensive Income (Loss) for Recurring Level 3 Instruments Held at End of Period |
$ 0
|
$ 0
|
|