Fair Value of Financial Instruments - Schedule of Changes to Fair Value of Financial Instruments Level 3 (Details) - USD ($)
$ in Millions |
3 Months Ended |
9 Months Ended |
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
| Level 3 |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
$ 15,810
|
$ 13,280
|
$ 14,367
|
$ 11,740
|
| Balance at End of Period |
16,570
|
13,746
|
16,570
|
13,746
|
| Liabilities: |
|
|
|
|
| Balance at Beginning of Period |
8,248
|
6,510
|
7,526
|
5,843
|
| Balance at End of Period |
7,381
|
6,991
|
7,381
|
6,991
|
| Indexed annuities/IUL embedded derivatives, included in Contractholder funds |
|
|
|
|
| Liabilities: |
|
|
|
|
| Balance at Beginning of Period |
7,080
|
5,727
|
6,542
|
5,220
|
| Liabilities, total gains (losses) included in earnings |
(822)
|
174
|
(569)
|
309
|
| Liabilities, total gains (losses) included in AOCI |
0
|
0
|
0
|
0
|
| Liabilities, purchases |
346
|
315
|
904
|
899
|
| Liabilities, sales |
0
|
0
|
0
|
0
|
| Liabilities, settlements |
(148)
|
(133)
|
(421)
|
(345)
|
| Liabilities, net transfer in (out) of level 3 |
0
|
0
|
0
|
0
|
| Balance at End of Period |
6,456
|
6,083
|
6,456
|
6,083
|
| Change in Unrealized Included in OCI |
0
|
0
|
0
|
0
|
| Foreign currency swaps, included in Accounts payable and accrued liabilities |
|
|
|
|
| Liabilities: |
|
|
|
|
| Balance at Beginning of Period |
|
5
|
|
0
|
| Liabilities, total gains (losses) included in earnings |
|
1
|
|
6
|
| Liabilities, total gains (losses) included in AOCI |
|
0
|
|
0
|
| 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 |
|
6
|
|
6
|
| Change in Unrealized Included in OCI |
|
0
|
|
0
|
| Foreign currency swaps, included in Accounts payable and accrued liabilities |
|
|
|
|
| Liabilities: |
|
|
|
|
| Balance at Beginning of Period |
4
|
|
|
|
| Liabilities, total gains (losses) included in earnings |
15
|
|
|
|
| Liabilities, total gains (losses) included in AOCI |
0
|
|
|
|
| Liabilities, purchases |
0
|
|
|
|
| Liabilities, sales |
0
|
|
|
|
| Liabilities, settlements |
0
|
|
|
|
| Liabilities, net transfer in (out) of level 3 |
0
|
|
|
|
| Balance at End of Period |
19
|
|
19
|
|
| Change in Unrealized Included in OCI |
0
|
|
|
|
| Interest rate and foreign currency swaps, included in Accounts payable and accrued liabilities |
|
|
|
|
| Liabilities: |
|
|
|
|
| Balance at Beginning of Period |
|
|
9
|
|
| Liabilities, total gains (losses) included in earnings |
|
|
10
|
|
| Liabilities, total gains (losses) included in AOCI |
|
|
0
|
|
| Liabilities, purchases |
|
|
0
|
|
| Liabilities, sales |
|
|
0
|
|
| Liabilities, settlements |
|
|
0
|
|
| Liabilities, net transfer in (out) of level 3 |
|
|
0
|
|
| Balance at End of Period |
19
|
|
19
|
|
| Change in Unrealized Included in OCI |
|
|
0
|
|
| Contingent consideration, included in Accounts payable and accrued liabilities |
|
|
|
|
| Liabilities: |
|
|
|
|
| Balance at Beginning of Period |
62
|
67
|
72
|
74
|
| Liabilities, total gains (losses) included in earnings |
1
|
5
|
3
|
10
|
| Liabilities, total gains (losses) included in AOCI |
0
|
0
|
0
|
0
|
| Liabilities, purchases |
0
|
0
|
0
|
0
|
| Liabilities, sales |
0
|
0
|
0
|
0
|
| Liabilities, settlements |
0
|
0
|
(12)
|
(12)
|
| Liabilities, net transfer in (out) of level 3 |
(63)
|
0
|
(63)
|
0
|
| Balance at End of Period |
0
|
72
|
0
|
72
|
| Change in Unrealized Included in OCI |
0
|
0
|
0
|
0
|
| Asset-backed securities |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
10,495
|
9,361
|
10,094
|
8,143
|
| Assets, Total Gains (Losses) Included in Earnings |
7
|
(2)
|
21
|
(5)
|
| Assets, Total Gains (Losses) Included in AOCI |
24
|
65
|
(57)
|
95
|
| Assets, Purchases |
989
|
863
|
2,134
|
2,586
|
| Assets, Sales |
(4)
|
(119)
|
(125)
|
(317)
|
| Assets, Settlements |
(294)
|
(483)
|
(949)
|
(882)
|
| Assets, Net transfer In (Out) of Level 3 |
(10)
|
(216)
|
89
|
(151)
|
| Balance at End of Period |
11,207
|
9,469
|
11,207
|
9,469
|
| Change in Unrealized Included in OCI |
23
|
59
|
(55)
|
88
|
| Commercial mortgage-backed securities |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
0
|
3
|
0
|
0
|
| Assets, Total Gains (Losses) Included in Earnings |
0
|
0
|
0
|
0
|
| Assets, Total Gains (Losses) Included in AOCI |
0
|
0
|
0
|
0
|
| Assets, Purchases |
4
|
43
|
4
|
46
|
| Assets, Sales |
0
|
0
|
0
|
0
|
| Assets, Settlements |
0
|
0
|
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
(3)
|
0
|
(3)
|
| Balance at End of Period |
4
|
43
|
4
|
43
|
| Change in Unrealized Included in OCI |
0
|
0
|
0
|
0
|
| Corporates |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
3,729
|
3,145
|
3,124
|
2,941
|
| Assets, Total Gains (Losses) Included in Earnings |
2
|
2
|
12
|
(14)
|
| Assets, Total Gains (Losses) Included in AOCI |
(62)
|
35
|
(99)
|
76
|
| Assets, Purchases |
213
|
441
|
1,248
|
1,150
|
| Assets, Sales |
(151)
|
(214)
|
(375)
|
(539)
|
| Assets, Settlements |
(89)
|
(112)
|
(268)
|
(317)
|
| Assets, Net transfer In (Out) of Level 3 |
(7)
|
0
|
(7)
|
0
|
| Balance at End of Period |
3,635
|
3,297
|
3,635
|
3,297
|
| Change in Unrealized Included in OCI |
(62)
|
36
|
(98)
|
76
|
| Hybrids |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
14
|
5
|
15
|
0
|
| Assets, Total Gains (Losses) Included in Earnings |
0
|
0
|
0
|
0
|
| Assets, Total Gains (Losses) Included in AOCI |
0
|
1
|
(1)
|
0
|
| Assets, Purchases |
0
|
9
|
0
|
15
|
| Assets, Sales |
0
|
0
|
0
|
0
|
| Assets, Settlements |
0
|
0
|
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
0
|
0
|
| Balance at End of Period |
14
|
15
|
14
|
15
|
| Change in Unrealized Included in OCI |
0
|
0
|
0
|
0
|
| Municipals |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
3
|
3
|
3
|
0
|
| Assets, Total Gains (Losses) Included in Earnings |
0
|
0
|
0
|
0
|
| Assets, Total Gains (Losses) Included in AOCI |
0
|
0
|
0
|
0
|
| Assets, Purchases |
0
|
0
|
0
|
4
|
| Assets, Sales |
0
|
0
|
0
|
0
|
| Assets, Settlements |
0
|
0
|
0
|
(1)
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
0
|
0
|
| Balance at End of Period |
3
|
3
|
3
|
3
|
| Change in Unrealized Included in OCI |
0
|
0
|
0
|
0
|
| Residential mortgage-backed securities |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
|
5
|
3
|
3
|
| Assets, Total Gains (Losses) Included in Earnings |
|
0
|
0
|
0
|
| Assets, Total Gains (Losses) Included in AOCI |
|
0
|
0
|
0
|
| Assets, Purchases |
|
0
|
0
|
2
|
| Assets, Sales |
|
0
|
0
|
0
|
| Assets, Settlements |
|
0
|
(3)
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
|
(2)
|
0
|
(2)
|
| Balance at End of Period |
0
|
3
|
0
|
3
|
| Change in Unrealized Included in OCI |
|
0
|
0
|
0
|
| Foreign Governments |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
23
|
23
|
23
|
4
|
| Assets, Total Gains (Losses) Included in Earnings |
0
|
0
|
0
|
0
|
| Assets, Total Gains (Losses) Included in AOCI |
0
|
2
|
0
|
2
|
| Assets, Purchases |
0
|
0
|
0
|
19
|
| Assets, Sales |
0
|
0
|
0
|
0
|
| Assets, Settlements |
0
|
0
|
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
0
|
0
|
| Balance at End of Period |
23
|
25
|
23
|
25
|
| Change in Unrealized Included in OCI |
0
|
1
|
0
|
1
|
| Preferred equity securities |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
|
7
|
7
|
7
|
| Assets, Total Gains (Losses) Included in Earnings |
|
0
|
0
|
(1)
|
| Assets, Total Gains (Losses) Included in AOCI |
|
0
|
0
|
1
|
| Assets, Purchases |
|
0
|
0
|
0
|
| Assets, Sales |
|
0
|
0
|
0
|
| Assets, Settlements |
|
0
|
(7)
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
|
0
|
0
|
0
|
| Balance at End of Period |
0
|
7
|
0
|
7
|
| Change in Unrealized Included in OCI |
|
0
|
0
|
0
|
| Common equity securities |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
|
5
|
5
|
0
|
| Assets, Total Gains (Losses) Included in Earnings |
|
0
|
0
|
0
|
| Assets, Total Gains (Losses) Included in AOCI |
|
0
|
0
|
0
|
| Assets, Purchases |
|
0
|
5
|
5
|
| Assets, Sales |
|
0
|
0
|
0
|
| Assets, Settlements |
|
0
|
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
|
0
|
(10)
|
0
|
| Balance at End of Period |
0
|
5
|
0
|
5
|
| Change in Unrealized Included in OCI |
|
0
|
0
|
0
|
| Derivative investments |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
8
|
0
|
0
|
3
|
| Assets, Total Gains (Losses) Included in Earnings |
1
|
0
|
12
|
(2)
|
| Assets, Total Gains (Losses) Included in AOCI |
0
|
0
|
0
|
(2)
|
| Assets, Purchases |
0
|
0
|
0
|
1
|
| Assets, Sales |
0
|
0
|
0
|
0
|
| Assets, Settlements |
0
|
0
|
(3)
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
0
|
0
|
| Balance at End of Period |
9
|
0
|
9
|
0
|
| Change in Unrealized Included in OCI |
0
|
0
|
0
|
(2)
|
| Investments in unconsolidated affiliates |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
267
|
272
|
270
|
272
|
| Assets, Total Gains (Losses) Included in Earnings |
(11)
|
(2)
|
(14)
|
(2)
|
| Assets, Total Gains (Losses) Included in AOCI |
0
|
0
|
0
|
0
|
| Assets, Purchases |
0
|
0
|
0
|
0
|
| Assets, Sales |
0
|
0
|
0
|
0
|
| Assets, Settlements |
0
|
0
|
0
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
0
|
0
|
| Balance at End of Period |
256
|
270
|
256
|
270
|
| Change in Unrealized Included in OCI |
0
|
0
|
0
|
0
|
| Available-for-sale embedded derivative |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
|
36
|
41
|
32
|
| Assets, Total Gains (Losses) Included in Earnings |
|
0
|
24
|
0
|
| Assets, Total Gains (Losses) Included in AOCI |
|
3
|
(21)
|
7
|
| Assets, Purchases |
|
0
|
0
|
0
|
| Assets, Sales |
|
0
|
0
|
0
|
| Assets, Settlements |
|
0
|
(44)
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
|
0
|
0
|
0
|
| Balance at End of Period |
0
|
39
|
0
|
39
|
| Change in Unrealized Included in OCI |
|
3
|
(2)
|
7
|
| Short term investments |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
76
|
5
|
74
|
37
|
| Assets, Total Gains (Losses) Included in Earnings |
0
|
0
|
0
|
0
|
| Assets, Total Gains (Losses) Included in AOCI |
0
|
0
|
0
|
0
|
| Assets, Purchases |
58
|
2
|
65
|
8
|
| Assets, Sales |
0
|
0
|
0
|
0
|
| Assets, Settlements |
(5)
|
0
|
(10)
|
(38)
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
0
|
0
|
| Balance at End of Period |
129
|
7
|
129
|
7
|
| Change in Unrealized Included in OCI |
0
|
0
|
0
|
0
|
| Indexed annuities/IUL ceded embedded derivatives |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
831
|
179
|
399
|
98
|
| Assets, Total Gains (Losses) Included in Earnings |
(69)
|
3
|
(48)
|
7
|
| Assets, Total Gains (Losses) Included in AOCI |
0
|
0
|
0
|
0
|
| Assets, Purchases |
195
|
122
|
615
|
200
|
| Assets, Sales |
0
|
0
|
0
|
0
|
| Assets, Settlements |
(10)
|
(1)
|
(19)
|
(2)
|
| Assets, Net transfer In (Out) of Level 3 |
0
|
0
|
0
|
0
|
| Balance at End of Period |
947
|
303
|
947
|
303
|
| Change in Unrealized Included in OCI |
0
|
0
|
0
|
0
|
| Loan receivable |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
|
18
|
24
|
11
|
| Assets, Total Gains (Losses) Included in Earnings |
|
0
|
0
|
0
|
| Assets, Total Gains (Losses) Included in AOCI |
|
0
|
0
|
0
|
| Assets, Purchases |
|
0
|
12
|
7
|
| Assets, Sales |
|
0
|
0
|
0
|
| Assets, Settlements |
|
0
|
(36)
|
0
|
| Assets, Net transfer In (Out) of Level 3 |
|
0
|
0
|
0
|
| Balance at End of Period |
0
|
18
|
0
|
18
|
| Change in Unrealized Included in OCI |
|
0
|
0
|
0
|
| Subtotal assets at Level 3 fair value |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Assets, Total Gains (Losses) Included in Earnings |
(70)
|
1
|
7
|
(17)
|
| Assets, Total Gains (Losses) Included in AOCI |
(38)
|
106
|
(178)
|
179
|
| Assets, Purchases |
1,459
|
1,480
|
4,083
|
4,043
|
| Assets, Sales |
(155)
|
(333)
|
(500)
|
(856)
|
| Assets, Settlements |
(398)
|
(596)
|
(1,339)
|
(1,240)
|
| Assets, Net transfer In (Out) of Level 3 |
(17)
|
(221)
|
72
|
(156)
|
| Change in Unrealized Included in OCI |
$ (39)
|
$ 99
|
$ (155)
|
$ 170
|
| Liabilities: |
|
|
|
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income Flag |
Recognized gains and (losses), net
|
Recognized gains and (losses), net
|
Recognized gains and (losses), net
|
Recognized gains and (losses), net
|
| Subtotal assets at Level 3 fair value | Level 3 |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
$ 15,446
|
$ 13,067
|
$ 14,082
|
$ 11,551
|
| Balance at End of Period |
16,227
|
13,504
|
16,227
|
13,504
|
| Market risk benefits asset | Level 3 |
|
|
|
|
| Fixed maturity securities available-for-sale: |
|
|
|
|
| Balance at Beginning of Period |
364
|
213
|
285
|
189
|
| Balance at End of Period |
343
|
242
|
343
|
242
|
| Subtotal liabilities at Level 3 fair value |
|
|
|
|
| Liabilities: |
|
|
|
|
| Liabilities, total gains (losses) included in earnings |
(806)
|
180
|
(556)
|
325
|
| Liabilities, total gains (losses) included in AOCI |
0
|
0
|
0
|
0
|
| Liabilities, purchases |
346
|
315
|
904
|
899
|
| Liabilities, sales |
0
|
0
|
0
|
0
|
| Liabilities, settlements |
(148)
|
(133)
|
(433)
|
(357)
|
| Liabilities, net transfer in (out) of level 3 |
(63)
|
0
|
(63)
|
0
|
| Change in Unrealized Included in OCI |
$ 0
|
$ 0
|
$ 0
|
$ 0
|
| Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income Flag |
Recognized gains and (losses), net
|
Recognized gains and (losses), net
|
Recognized gains and (losses), net
|
Recognized gains and (losses), net
|
| Subtotal liabilities at Level 3 fair value | Level 3 |
|
|
|
|
| Liabilities: |
|
|
|
|
| Balance at Beginning of Period |
$ 7,146
|
$ 5,799
|
$ 6,623
|
$ 5,294
|
| Balance at End of Period |
6,475
|
6,161
|
6,475
|
6,161
|
| Market risk benefits liability | Level 3 |
|
|
|
|
| Liabilities: |
|
|
|
|
| Balance at Beginning of Period |
1,102
|
711
|
903
|
549
|
| Balance at End of Period |
$ 906
|
$ 830
|
$ 906
|
$ 830
|