LIABILITIES FOR INSURANCE PRODUCTS - SUMMARY OF CHANGES IN POLICYHOLDER ACCOUNT BALANCES (Details) - USD ($)
$ in Millions |
6 Months Ended |
|
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
| Policyholder Account Balance [Roll Forward] |
|
|
|
| Policyholder account values, beginning of period excluding contracts 100% ceded |
$ 18,480.5
|
$ 17,222.4
|
|
| Issuances (funds collected from new business) |
1,267.1
|
965.2
|
|
| Premiums received (premiums collected from inforce business) |
270.1
|
273.0
|
|
| Policy charges |
(119.1)
|
(114.6)
|
|
| Surrenders and withdrawals |
(824.9)
|
(1,168.0)
|
|
| Benefit payments |
(214.9)
|
(216.4)
|
|
| Interest credited |
359.3
|
296.5
|
|
| Other |
27.6
|
31.0
|
|
| Policyholder account values, end of period excluding contracts 100% ceded |
19,245.7
|
17,289.1
|
|
| Policyholder account values, end of period for contracts 100% ceded |
707.8
|
765.8
|
|
| Amount of reserves above (below) policyholder account values |
(312.6)
|
(445.9)
|
|
| Policyholder account balances |
19,640.9
|
17,609.0
|
$ 18,912.6
|
| Balance, end of period, reinsurance ceded |
(733.2)
|
(789.6)
|
|
| Balance, end of period, net of reinsurance |
18,907.7
|
$ 16,819.4
|
|
| Weighted average crediting rate |
|
|
|
| Net amount at risk |
31,854.6
|
$ 30,296.2
|
|
| Fixed indexed annuities |
|
|
|
| Policyholder Account Balance [Roll Forward] |
|
|
|
| Policyholder account values, beginning of period excluding contracts 100% ceded |
11,633.0
|
10,766.3
|
|
| Issuances (funds collected from new business) |
859.7
|
846.6
|
|
| Premiums received (premiums collected from inforce business) |
20.8
|
11.4
|
|
| Policy charges |
(14.4)
|
(13.7)
|
|
| Surrenders and withdrawals |
(511.0)
|
(454.9)
|
|
| Benefit payments |
(148.5)
|
(147.3)
|
|
| Interest credited |
223.3
|
181.4
|
|
| Other |
28.4
|
31.4
|
|
| Policyholder account values, end of period excluding contracts 100% ceded |
12,091.3
|
11,221.2
|
|
| Policyholder account values, end of period for contracts 100% ceded |
107.1
|
117.1
|
|
| Amount of reserves above (below) policyholder account values |
(331.1)
|
(457.8)
|
|
| Policyholder account balances |
11,867.3
|
10,880.5
|
|
| Balance, end of period, reinsurance ceded |
(101.9)
|
(110.0)
|
|
| Balance, end of period, net of reinsurance |
$ 11,765.4
|
$ 10,770.5
|
|
| Weighted average crediting rate |
2.10%
|
2.20%
|
|
| Cash surrender value, net of reinsurance |
$ 11,313.9
|
$ 10,487.5
|
|
| Fixed interest annuities |
|
|
|
| Policyholder Account Balance [Roll Forward] |
|
|
|
| Policyholder account values, beginning of period excluding contracts 100% ceded |
1,637.5
|
1,646.6
|
|
| Issuances (funds collected from new business) |
83.2
|
98.1
|
|
| Premiums received (premiums collected from inforce business) |
1.5
|
1.7
|
|
| Policy charges |
(0.9)
|
(0.9)
|
|
| Surrenders and withdrawals |
(78.9)
|
(82.2)
|
|
| Benefit payments |
(52.7)
|
(53.6)
|
|
| Interest credited |
24.3
|
25.1
|
|
| Other |
0.1
|
(0.1)
|
|
| Policyholder account values, end of period excluding contracts 100% ceded |
1,614.1
|
1,634.7
|
|
| Policyholder account values, end of period for contracts 100% ceded |
469.8
|
513.7
|
|
| Amount of reserves above (below) policyholder account values |
0.0
|
0.0
|
|
| Policyholder account balances |
2,083.9
|
2,148.4
|
|
| Balance, end of period, reinsurance ceded |
(469.8)
|
(513.7)
|
|
| Balance, end of period, net of reinsurance |
$ 1,614.1
|
$ 1,634.7
|
|
| Weighted average crediting rate |
3.00%
|
2.90%
|
|
| Cash surrender value, net of reinsurance |
$ 1,563.9
|
$ 1,590.3
|
|
| Other annuities |
|
|
|
| Policyholder Account Balance [Roll Forward] |
|
|
|
| Policyholder account values, beginning of period excluding contracts 100% ceded |
104.5
|
107.4
|
|
| Issuances (funds collected from new business) |
0.0
|
0.0
|
|
| Premiums received (premiums collected from inforce business) |
12.1
|
15.2
|
|
| Policy charges |
0.0
|
0.0
|
|
| Surrenders and withdrawals |
(16.8)
|
(16.4)
|
|
| Benefit payments |
(2.5)
|
(3.0)
|
|
| Interest credited |
1.1
|
1.3
|
|
| Other |
(0.1)
|
(0.2)
|
|
| Policyholder account values, end of period excluding contracts 100% ceded |
98.3
|
104.3
|
|
| Policyholder account values, end of period for contracts 100% ceded |
31.1
|
30.3
|
|
| Amount of reserves above (below) policyholder account values |
0.0
|
0.0
|
|
| Policyholder account balances |
129.4
|
134.6
|
|
| Balance, end of period, reinsurance ceded |
(31.1)
|
(30.3)
|
|
| Balance, end of period, net of reinsurance |
$ 98.3
|
$ 104.3
|
|
| Weighted average crediting rate |
2.80%
|
2.70%
|
|
| Cash surrender value, net of reinsurance |
$ 98.3
|
$ 104.3
|
|
| Interest-sensitive life |
|
|
|
| Policyholder Account Balance [Roll Forward] |
|
|
|
| Policyholder account values, beginning of period excluding contracts 100% ceded |
1,383.2
|
1,321.8
|
|
| Issuances (funds collected from new business) |
24.5
|
20.5
|
|
| Premiums received (premiums collected from inforce business) |
112.8
|
109.9
|
|
| Policy charges |
(103.8)
|
(100.0)
|
|
| Surrenders and withdrawals |
(19.3)
|
(19.4)
|
|
| Benefit payments |
(11.2)
|
(12.5)
|
|
| Interest credited |
37.4
|
33.5
|
|
| Other |
(0.8)
|
(0.1)
|
|
| Policyholder account values, end of period excluding contracts 100% ceded |
1,422.8
|
1,353.7
|
|
| Policyholder account values, end of period for contracts 100% ceded |
90.4
|
94.7
|
|
| Amount of reserves above (below) policyholder account values |
18.5
|
11.9
|
|
| Policyholder account balances |
1,531.7
|
1,460.3
|
|
| Balance, end of period, reinsurance ceded |
(108.5)
|
(112.6)
|
|
| Balance, end of period, net of reinsurance |
$ 1,423.2
|
$ 1,347.7
|
|
| Weighted average crediting rate |
4.80%
|
5.30%
|
|
| Cash surrender value, net of reinsurance |
$ 1,174.3
|
$ 1,106.6
|
|
| Funding agreements |
|
|
|
| Policyholder Account Balance [Roll Forward] |
|
|
|
| Policyholder account values, beginning of period excluding contracts 100% ceded |
3,373.6
|
3,021.2
|
|
| Issuances (funds collected from new business) |
299.7
|
0.0
|
|
| Premiums received (premiums collected from inforce business) |
0.0
|
0.0
|
|
| Policy charges |
0.0
|
0.0
|
|
| Surrenders and withdrawals |
(70.9)
|
(457.0)
|
|
| Benefit payments |
0.0
|
0.0
|
|
| Interest credited |
72.0
|
54.0
|
|
| Other |
0.0
|
0.0
|
|
| Policyholder account values, end of period excluding contracts 100% ceded |
3,674.4
|
2,618.2
|
|
| Policyholder account values, end of period for contracts 100% ceded |
0.0
|
0.0
|
|
| Amount of reserves above (below) policyholder account values |
0.0
|
0.0
|
|
| Policyholder account balances |
3,674.4
|
2,618.2
|
|
| Balance, end of period, reinsurance ceded |
0.0
|
0.0
|
|
| Balance, end of period, net of reinsurance |
$ 3,674.4
|
$ 2,618.2
|
|
| Weighted average crediting rate |
4.30%
|
4.10%
|
|
| Cash surrender value, net of reinsurance |
$ 0.0
|
$ 0.0
|
|
| Other |
|
|
|
| Policyholder Account Balance [Roll Forward] |
|
|
|
| Policyholder account values, beginning of period excluding contracts 100% ceded |
348.7
|
359.1
|
|
| Issuances (funds collected from new business) |
0.0
|
0.0
|
|
| Premiums received (premiums collected from inforce business) |
122.9
|
134.8
|
|
| Policy charges |
0.0
|
0.0
|
|
| Surrenders and withdrawals |
(128.0)
|
(138.1)
|
|
| Benefit payments |
0.0
|
0.0
|
|
| Interest credited |
1.2
|
1.2
|
|
| Other |
0.0
|
0.0
|
|
| Policyholder account values, end of period excluding contracts 100% ceded |
344.8
|
357.0
|
|
| Policyholder account values, end of period for contracts 100% ceded |
9.4
|
10.0
|
|
| Amount of reserves above (below) policyholder account values |
0.0
|
0.0
|
|
| Policyholder account balances |
354.2
|
367.0
|
|
| Balance, end of period, reinsurance ceded |
(21.9)
|
(23.0)
|
|
| Balance, end of period, net of reinsurance |
$ 332.3
|
$ 344.0
|
|
| Weighted average crediting rate |
0.80%
|
0.80%
|
|
| Cash surrender value, net of reinsurance |
$ 332.3
|
$ 344.0
|
|