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Notes Payable - Narrative (Details) - USD ($)								12 Months Ended
	Oct. 04, 2024	Feb. 21, 2023	Nov. 22, 2022	Sep. 17, 2021	Sep. 15, 2020	Jun. 12, 2020	Apr. 20, 2018	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jun. 04, 2024	Feb. 16, 2024	Feb. 15, 2024	Dec. 06, 2023	Jan. 13, 2023	Apr. 22, 2020	May 16, 2019	Aug. 13, 2018
Debt Instrument [Line Items]
Outstanding principal								$ 4,367,000,000
Repayment of principal borrowed								$ 250,000,000	$ 0	$ 400,000,000
Senior Notes
Debt Instrument [Line Items]
Debt instrument, unamortized premium							$ 39,000,000
6.25% Senior Notes due 2034 | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 500,000,000
Debt instrument, interest rate, stated percentage	6.25%							6.25%
Price as percent of par on offering of unsecured Notes	99.36%
Debt issuance costs, net	$ 8,000,000
6.50% F&G Notes, net of discount | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount											$ 550,000,000
Debt instrument, interest rate, stated percentage								6.50%			6.50%
Price as percent of par on offering of unsecured Notes											99.74%
Debt issuance costs, net											$ 6,000,000
7.95% F&G Notes, net of discount | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount														$ 345,000,000
Debt instrument, interest rate, stated percentage								7.95%						7.95%
Debt issuance costs, net														$ 9,000,000
7.40% F&G Notes, net of discount | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount															$ 500,000,000
Debt instrument, interest rate, stated percentage								7.40%							7.40%
Debt issuance costs, net															$ 6,000,000
5.50% F&G Senior Notes due May 2025 | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount							$ 550,000,000				$ 250,000,000
Debt instrument, interest rate, stated percentage							5.50%				5.50%
Price as percent of par on offering of unsecured Notes							99.50%
Proceeds from issuance of senior notes							$ 547,000,000
5.50% F&G Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage								5.50%
5.50% F&G Notes | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount											$ 250,000,000
F&G Credit Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
Outstanding principal								$ 0	365,000,000
F&G Credit Agreement | Line of Credit
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)			1.00%
F&G Credit Agreement | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility		$ 665,000,000	$ 550,000,000									$ 750,000,000	$ 665,000,000
Credit facility increase in borrowing capacity		$ 115,000,000
Basis spread on variable rate (as percent)			0.50%
Revolving credit outstanding								0	$ 365,000,000
Remaining borrowing capacity								$ 750,000,000
F&G Credit Agreement | Line of Credit | Revolving Credit Facility | Minimum | Condition One
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)			0.30%
F&G Credit Agreement | Line of Credit | Revolving Credit Facility | Minimum | Condition Two
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)			1.30%
F&G Credit Agreement | Line of Credit | Revolving Credit Facility | Maximum | Condition One
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)			0.80%
F&G Credit Agreement | Line of Credit | Revolving Credit Facility | Maximum | Condition Two
Debt Instrument [Line Items]
Basis spread on variable rate (as percent)			1.80%
Credit Agreement November 2022 | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Repayment of remaining outstanding principal	$ 365,000,000
Average variable interest rate								7.06%	7.11%
Credit Agreement November 2022 | Line of Credit | Revolving Credit Facility | Minimum
Debt Instrument [Line Items]
Facility fee, rate			0.20%
Credit Agreement November 2022 | Line of Credit | Revolving Credit Facility | Maximum
Debt Instrument [Line Items]
Facility fee, rate			0.45%
3.20% Notes, net of discount
Debt Instrument [Line Items]
Aggregate principal amount				$ 450,000,000
Debt instrument, interest rate, stated percentage				3.20%
Proceeds from issuance debt				$ 443,000,000
3.20% Notes, net of discount | Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage								3.20%
Revolving Credit Facility Due April 2022 | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility												$ 800,000,000
Basis spread on variable rate (as percent)								1.40%
Remaining borrowing capacity								$ 800,000,000
Outstanding principal								0
Unamortized debt issuance costs								$ 4,000,000
2.45% Senior Notes Due March 2031
Debt Instrument [Line Items]
Proceeds from issuance debt					$ 593,000,000
2.45% Senior Notes Due March 2031 | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount					$ 600,000,000
Debt instrument, interest rate, stated percentage					2.45%			2.45%
Term Loan Credit Agreement | Term Loan
Debt Instrument [Line Items]
Line of credit facility																$ 1,000,000,000
Repayments of all outstanding indebtedness under term loan credit agreement					$ 260,000,000
Repayment of principal borrowed						$ 640,000,000
3.40% Notes due June 15, 2030 | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount						$ 650,000,000
Debt instrument, interest rate, stated percentage						3.40%
Proceeds from issuance debt						$ 642,000,000
4.50 % Notes due August 2028
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage																	4.50%	4.50%
4.50 % Notes due August 2028 | Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount																		$ 450,000,000
Debt instrument, interest rate, stated percentage								4.50%									4.50%	4.50%
Price as percent of par on offering of unsecured Notes																		99.252%
Annual interest rate																		4.594%

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