Reinsurance Narrative (Details) $ in Millions					6 Months Ended	12 Months Ended			21 Months Ended
	Apr. 01, 2023 USD ($)	Apr. 01, 2022	Apr. 01, 2015	Jan. 02, 2013 USD ($) policy	Jun. 30, 2023 company	Dec. 31, 2020 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2021 counterparty	May 31, 2018 counterparty
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance retention policy, reinsured risk percentage					59.00%
Number of Reinsurance Companies | company					4
Number of counterparties | counterparty										2	2
Geographic Distribution, Domestic
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance, retention policy, amount retained per life						$ 10	$ 20	$ 30
Hartford
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance retention policy, amount retained per event				$ 141,000
Business acquisition number of life insurance policies acquired reinsurance | policy				700,000
The Ohio National Life Insurance Company
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsure aprox amount of account values of PDI traditional variable annuity contracts	$ 10,000
Deferred reinsurance gain	$ 309
The Ohio National Life Insurance Company | Separate account liabilities under MODCO
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance retention policy, reinsured risk percentage	100.00%
The Ohio National Life Insurance Company | General account liabilities under MODCO
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance retention policy, reinsured risk percentage	100.00%
The Ohio National Life Insurance Company | Individual Variable
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance retention policy, reinsured risk percentage	10.00%
Empower Annuity Insurance Company of America & Empower Life & Annuity Insurance Company of New York | Separate account liabilities under MODCO
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance retention policy, reinsured risk percentage		100.00%
Empower Annuity Insurance Company of America & Empower Life & Annuity Insurance Company of New York | General account liabilities under MODCO
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance retention policy, reinsured risk percentage		100.00%
Union Hamilton Reinsurance, Ltd. | Quote Share Reinsurance for HDI v.3.0 VA Business
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items]
Reinsurance retention policy, reinsured risk percentage			50.00%
Reinsurance retention policy, amount retained per event									$ 2,900