Fair Value of Financial Instruments - Schedule of Changes to Fair Value of Financial Instruments Level 3 (Details) - USD ($)
$ in Millions |
3 Months Ended |
Mar. 31, 2026 |
Mar. 31, 2025 |
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
$ 14,530
|
$ 11,734
|
| Balance at End of Period |
15,218
|
12,518
|
| Liabilities |
|
|
| Balance at Beginning of Period |
7,526
|
5,843
|
| Balance at End of Period |
7,411
|
6,016
|
| Indexed annuities/indexed universal life insurance ("IUL") embedded derivatives, included in Contractholder funds |
|
|
| Liabilities |
|
|
| Balance at Beginning of Period |
6,542
|
5,220
|
| Liabilities, Total (Losses) Gains Included in Earnings |
(284)
|
(67)
|
| Liabilities, Total (Losses) Gains Included in AOCI |
0
|
0
|
| Liabilities, Purchases |
256
|
256
|
| Liabilities, Sales |
0
|
0
|
| Liabilities, Settlements |
(134)
|
(93)
|
| Liabilities, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
6,380
|
5,316
|
| Change in Unrealized Included in OCI |
0
|
0
|
| Foreign currency swaps, included in Accounts payable and accrued liabilities |
|
|
| Liabilities |
|
|
| Balance at Beginning of Period |
9
|
0
|
| Liabilities, Total (Losses) Gains Included in Earnings |
(7)
|
0
|
| Liabilities, Total (Losses) Gains Included in AOCI |
0
|
1
|
| Liabilities, Purchases |
0
|
0
|
| Liabilities, Sales |
0
|
0
|
| Liabilities, Settlements |
0
|
0
|
| Liabilities, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
2
|
1
|
| Change in Unrealized Included in OCI |
0
|
(1)
|
| Contingent consideration |
|
|
| Liabilities |
|
|
| Balance at Beginning of Period |
72
|
74
|
| Liabilities, Total (Losses) Gains Included in Earnings |
(11)
|
2
|
| Liabilities, Total (Losses) Gains Included in AOCI |
0
|
0
|
| Liabilities, Purchases |
0
|
0
|
| Liabilities, Sales |
0
|
0
|
| Liabilities, Settlements |
0
|
(12)
|
| Liabilities, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
61
|
64
|
| Change in Unrealized Included in OCI |
0
|
0
|
| Asset-backed securities |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
10,094
|
8,143
|
| Assets, Total (Losses) Gains Included in Earnings |
11
|
1
|
| Assets, Total (Losses) Gains Included in AOCI |
(45)
|
3
|
| Assets, Purchases |
596
|
1,029
|
| Assets, Sales |
(84)
|
(143)
|
| Assets, Settlements |
(338)
|
(185)
|
| Assets, Net transfer In (Out) of Level 3 |
47
|
0
|
| Balance at End of Period |
10,281
|
8,848
|
| Change in Unrealized Included in OCI |
(42)
|
2
|
| Corporates |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
3,145
|
2,957
|
| Assets, Total (Losses) Gains Included in Earnings |
0
|
(13)
|
| Assets, Total (Losses) Gains Included in AOCI |
(42)
|
34
|
| Assets, Purchases |
312
|
353
|
| Assets, Sales |
(18)
|
(314)
|
| Assets, Settlements |
(14)
|
(11)
|
| Assets, Net transfer In (Out) of Level 3 |
(1)
|
0
|
| Balance at End of Period |
3,382
|
3,006
|
| Change in Unrealized Included in OCI |
(41)
|
33
|
| Hybrids |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
15
|
0
|
| Assets, Total (Losses) Gains Included in Earnings |
0
|
0
|
| Assets, Total (Losses) Gains Included in AOCI |
(1)
|
0
|
| Assets, Purchases |
0
|
6
|
| Assets, Sales |
0
|
0
|
| Assets, Settlements |
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
14
|
6
|
| Change in Unrealized Included in OCI |
0
|
0
|
| Municipals |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
3
|
0
|
| Assets, Total (Losses) Gains Included in Earnings |
0
|
0
|
| Assets, Total (Losses) Gains Included in AOCI |
0
|
0
|
| Assets, Purchases |
0
|
4
|
| Assets, Sales |
0
|
0
|
| Assets, Settlements |
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
3
|
4
|
| Change in Unrealized Included in OCI |
0
|
0
|
| Residential mortgage-backed securities |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
3
|
3
|
| Assets, Total (Losses) Gains Included in Earnings |
0
|
0
|
| Assets, Total (Losses) Gains Included in AOCI |
0
|
0
|
| Assets, Purchases |
0
|
0
|
| Assets, Sales |
0
|
0
|
| Assets, Settlements |
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
3
|
3
|
| Change in Unrealized Included in OCI |
0
|
0
|
| Foreign Governments |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
23
|
4
|
| Assets, Total (Losses) Gains Included in Earnings |
0
|
0
|
| Assets, Total (Losses) Gains Included in AOCI |
0
|
0
|
| Assets, Purchases |
0
|
19
|
| Assets, Sales |
0
|
0
|
| Assets, Settlements |
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
23
|
23
|
| Change in Unrealized Included in OCI |
0
|
0
|
| Preferred equity securities |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
8
|
8
|
| Assets, Total (Losses) Gains Included in Earnings |
0
|
(1)
|
| Assets, Total (Losses) Gains Included in AOCI |
0
|
1
|
| Assets, Purchases |
0
|
0
|
| Assets, Sales |
0
|
0
|
| Assets, Settlements |
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
8
|
8
|
| Change in Unrealized Included in OCI |
0
|
0
|
| Common equity securities |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
17
|
10
|
| Assets, Total (Losses) Gains Included in Earnings |
0
|
|
| Assets, Total (Losses) Gains Included in AOCI |
0
|
0
|
| Assets, Purchases |
5
|
0
|
| Assets, Sales |
0
|
0
|
| Assets, Settlements |
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
22
|
10
|
| Change in Unrealized Included in OCI |
0
|
0
|
| Foreign currency swaps, included in Accounts payable and accrued liabilities |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
0
|
3
|
| Assets, Total (Losses) Gains Included in Earnings |
10
|
|
| Assets, Total (Losses) Gains Included in AOCI |
0
|
(2)
|
| Assets, Purchases |
0
|
0
|
| Assets, Sales |
0
|
0
|
| Assets, Settlements |
(3)
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
7
|
1
|
| Change in Unrealized Included in OCI |
0
|
(2)
|
| Investments in unconsolidated affiliates |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
270
|
272
|
| Assets, Total (Losses) Gains Included in Earnings |
(10)
|
0
|
| Assets, Total (Losses) Gains Included in AOCI |
0
|
0
|
| Assets, Purchases |
0
|
0
|
| Assets, Sales |
0
|
0
|
| Assets, Settlements |
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
260
|
272
|
| Change in Unrealized Included in OCI |
0
|
0
|
| Short term investments |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
74
|
37
|
| Assets, Total (Losses) Gains Included in Earnings |
0
|
0
|
| Assets, Total (Losses) Gains Included in AOCI |
0
|
0
|
| Assets, Purchases |
0
|
3
|
| Assets, Sales |
0
|
0
|
| Assets, Settlements |
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
74
|
40
|
| Change in Unrealized Included in OCI |
0
|
0
|
| Available-for-sale embedded derivative |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
41
|
32
|
| Assets, Total (Losses) Gains Included in Earnings |
0
|
0
|
| Assets, Total (Losses) Gains Included in AOCI |
(2)
|
0
|
| Assets, Purchases |
0
|
0
|
| Assets, Sales |
0
|
0
|
| Assets, Settlements |
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
39
|
32
|
| Change in Unrealized Included in OCI |
(2)
|
0
|
| Indexed annuities/IUL ceded embedded derivatives |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
399
|
98
|
| Assets, Total (Losses) Gains Included in Earnings |
(24)
|
(5)
|
| Assets, Total (Losses) Gains Included in AOCI |
0
|
0
|
| Assets, Purchases |
257
|
36
|
| Assets, Sales |
0
|
0
|
| Assets, Settlements |
(2)
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
630
|
129
|
| Change in Unrealized Included in OCI |
0
|
0
|
| Other assets |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
|
65
|
| Assets, Total (Losses) Gains Included in Earnings |
|
0
|
| Assets, Total (Losses) Gains Included in AOCI |
|
0
|
| Assets, Purchases |
|
2
|
| Assets, Sales |
|
0
|
| Assets, Settlements |
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
|
0
|
| Balance at End of Period |
|
67
|
| Change in Unrealized Included in OCI |
|
0
|
| Loan receivable |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
24
|
11
|
| Assets, Total (Losses) Gains Included in Earnings |
0
|
0
|
| Assets, Total (Losses) Gains Included in AOCI |
0
|
0
|
| Assets, Purchases |
0
|
0
|
| Assets, Sales |
0
|
0
|
| Assets, Settlements |
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
24
|
11
|
| Change in Unrealized Included in OCI |
0
|
0
|
| MSRs |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
129
|
|
| Assets, Total (Losses) Gains Included in Earnings |
(4)
|
|
| Assets, Total (Losses) Gains Included in AOCI |
0
|
|
| Assets, Purchases |
15
|
|
| Assets, Sales |
0
|
|
| Assets, Settlements |
0
|
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
|
| Balance at End of Period |
140
|
|
| Change in Unrealized Included in OCI |
0
|
|
| Subtotal Level 3 assets at fair value |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
14,245
|
11,545
|
| Assets, Total (Losses) Gains Included in Earnings |
(17)
|
(18)
|
| Assets, Total (Losses) Gains Included in AOCI |
(90)
|
36
|
| Assets, Purchases |
1,185
|
1,416
|
| Assets, Sales |
(102)
|
(457)
|
| Assets, Settlements |
(357)
|
(196)
|
| Assets, Net transfer In (Out) of Level 3 |
46
|
0
|
| Balance at End of Period |
14,910
|
12,331
|
| Change in Unrealized Included in OCI |
$ (85)
|
$ 33
|
| Liabilities |
|
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] |
Unrealized (loss) gain on investments and other financial instruments (excluding investments in unconsolidated affiliates)
|
Unrealized (loss) gain on investments and other financial instruments (excluding investments in unconsolidated affiliates)
|
| Market risk benefits asset |
|
|
| Fixed maturity securities available-for-sale: |
|
|
| Balance at Beginning of Period |
$ 285
|
$ 189
|
| Balance at End of Period |
308
|
187
|
| Subtotal Level 3 liabilities at fair value |
|
|
| Liabilities |
|
|
| Balance at Beginning of Period |
6,623
|
5,294
|
| Liabilities, Total (Losses) Gains Included in Earnings |
(302)
|
(65)
|
| Liabilities, Total (Losses) Gains Included in AOCI |
0
|
1
|
| Liabilities, Purchases |
256
|
256
|
| Liabilities, Sales |
0
|
0
|
| Liabilities, Settlements |
(134)
|
(105)
|
| Liabilities, Net transfer In (Out) of Level 3 |
0
|
0
|
| Balance at End of Period |
6,443
|
5,381
|
| Change in Unrealized Included in OCI |
$ 0
|
$ (1)
|
| Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Recognized gains and losses, net
|
Recognized gains and losses, net
|
| Market risk benefits liability |
|
|
| Liabilities |
|
|
| Balance at Beginning of Period |
$ 903
|
$ 549
|
| Balance at End of Period |
$ 968
|
$ 635
|