SCHEDULE II – CONDENSED FINANCIAL INFORMATION OF THE REGISTRANT - Narrative (Details) - USD ($)	1 Months Ended	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	May 31, 2023	Sep. 30, 2022	Jun. 30, 2022	May 31, 2022	Oct. 21, 2021
Condensed Financial Statements, Captions [Line Items]
Long-term notes		$ 218,000,000	$ 218,000,000
Repayment of debt		0	6,000,000	$ 0
Shares received in exchange from affiliated entity for transfer	1,773.214
Preferred shares par value	$ 1,000,000
Annual dividend rate	1.75%
Affiliated Entity
Condensed Financial Statements, Captions [Line Items]
Shares purchased and held	9,719,971
Shares fair value	$ 1,800,000,000
Shares received in exchange from affiliated entity for transfer	1,773.214
Preferred shares par value	$ 1,000,000
Annual dividend rate	1.75%
Parent Company
Condensed Financial Statements, Captions [Line Items]
Long-term notes		218,000,000	218,000,000
Proceeds from repayment of long term notes receivable - affiliated		865,000,000	400,000,000	0
Repayment of debt		0	6,000,000	$ 0
Parent Company | Note Payable - Affiliated or Subsidiary | 3.72% Note Payable | May 2023 Promissory Note | Affiliated Entity
Condensed Financial Statements, Captions [Line Items]
Original Principal Amount					$ 230,000,000
Other invested assets, at fair value					3.72%
Long-term promissory note outstanding		0
Parent Company | Note Payable - Affiliated or Subsidiary | 4.34% Note Payable | December 2022 Promissory Note | Affiliated Entity
Condensed Financial Statements, Captions [Line Items]
Original Principal Amount			$ 125,000,000
Other invested assets, at fair value			4.34%
Long-term promissory note outstanding		0
Parent Company | Note Payable - Affiliated or Subsidiary | 3.35% Note Payable | September 2022 Promissory Note | Affiliated Entity
Condensed Financial Statements, Captions [Line Items]
Original Principal Amount						$ 560,000,000
Other invested assets, at fair value						3.35%
Proceeds from repayment of long term notes receivable - affiliated		270,000,000
Long-term promissory note outstanding		290,000,000
Parent Company | Note Payable - Affiliated or Subsidiary | 3.11% Note Payable | June 2022 Promissory Note | Affiliated Entity
Condensed Financial Statements, Captions [Line Items]
Original Principal Amount							$ 215,000,000
Other invested assets, at fair value							3.11%
Long-term promissory note outstanding		0
Parent Company | Note Payable - Affiliated or Subsidiary | 3.25% Note Payable | May 2022 Promissory Note | Affiliated Entity
Condensed Financial Statements, Captions [Line Items]
Original Principal Amount								$ 200,000,000
Other invested assets, at fair value							3.25%
Parent Company | Note Payable - Affiliated or Subsidiary | 3.25% Note Payable | October 2021 Promissory Note | Affiliated Entity
Condensed Financial Statements, Captions [Line Items]
Original Principal Amount									$ 470,000,000
Other invested assets, at fair value									3.25%
Long-term promissory note outstanding		45,000,000
Repayment of debt		$ 425,000,000