Variable Interest Entities - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Notional Amounts	$ 544
Net income (loss)	(752)	$ 1,358	$ 3,778
Fixed maturity available-for-sale securities, at fair value	88,738	99,736
Other investments	5,015	3,739
Reinsurance-Related Notes, September 30 2014 | Senior notes
Variable Interest Entity [Line Items]
Carrying Value	1,000
Lincoln Reinsurance Company of Vermont VI
Variable Interest Entity [Line Items]
Carrying Value	0
Lincoln Reinsurance Company of Vermont VI | Senior notes
Variable Interest Entity [Line Items]
Carrying Value	275
Reinsurance-Related Notes, Novemebr 1 2019 | Senior notes
Variable Interest Entity [Line Items]
Carrying Value	398
Reinsurance-Related Notes, September 30 2021 | Senior notes
Variable Interest Entity [Line Items]
Carrying Value	400
Reinsurance-Related Notes, December 31 2022 | Senior notes
Variable Interest Entity [Line Items]
Carrying Value	1,250
Limited Partnerships and Limited Liability Companies
Variable Interest Entity [Line Items]
Other investments	4,200	3,100
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Notional Amounts	544	568
Net income (loss)	0	$ 0
Variable Interest Entity, Not Primary Beneficiary | Reinsurance-Related Notes, September 30 2014
Variable Interest Entity [Line Items]
Fixed maturity available-for-sale securities, at fair value	1,100
Variable Interest Entity, Not Primary Beneficiary | Reinsurance-Related Notes, Novemebr 1 2019
Variable Interest Entity [Line Items]
Fixed maturity available-for-sale securities, at fair value	500
Variable Interest Entity, Not Primary Beneficiary | Reinsurance-Related Notes, September 30 2021
Variable Interest Entity [Line Items]
Fixed maturity available-for-sale securities, at fair value	400
Variable Interest Entity, Not Primary Beneficiary | Reinsurance-Related Notes, December 31 2022
Variable Interest Entity [Line Items]
Fixed maturity available-for-sale securities, at fair value	$ 1,250