Related Party Transactions (Narrative) (Details)	3 Months Ended											9 Months Ended	12 Months Ended
	Mar. 31, 2023 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($) policy	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Related Party Transaction [Line Items]
Policy charges and fee income													$ 1,731,957,000	$ 1,529,757,000	$ 624,320,000
Company's share of corporate expenses													(1,655,673,000)	(2,044,942,000)	(201,644,000)
Net investment income													884,001,000	550,235,000	367,350,000
Accrued investment income					$ 160,027,000								219,635,000	160,027,000
Contributed capital													0	776,657,000	575,000,000
Prudential Insurance
Related Party Transaction [Line Items]
Contributed capital		$ 7,000,000	$ 3,000,000	$ 8,000,000	457,000,000	$ 3,813,000,000		$ 106,000,000	$ 175,000,000	$ 75,000,000	$ 325,000,000
Return of Capital							$ 34,000,000						0		0
Dividend													0	0	0
Prudential Insurance | Subsequent Event
Related Party Transaction [Line Items]
Contributed capital	$ 405,000,000
PALAC
Related Party Transaction [Line Items]
Contributed capital					167,000,000
PALAC
Related Party Transaction [Line Items]
Market value of loan		$ 324,000,000										$ 324,000,000
Premium												$ 24,000,000
Prudential Insurance and Prudential FInancial
Related Party Transaction [Line Items]
Life Insurance, Corporate or Bank Owned, amount					5,248,000,000								4,512,000,000	5,248,000,000
Fees related to Life Insurance, Corporate or Bank Owned, amount													52,000,000	56,000,000	50,000,000
Prudential Insurance
Related Party Transaction [Line Items]
Stock option program plan expense													1,000,000	1,000,000	1,000,000
Deferred compensation program expense													5,000,000	4,000,000	5,000,000
Pension plan expense													19,000,000	14,000,000	17,000,000
Welfare plan expense													$ 15,000,000	13,000,000	18,000,000
Defined contribution plan, employer matching contribution, percent (up to)													4.00%
Defined contribution plan, cost recognized													$ 9,000,000	5,000,000	7,000,000
Number of Corporate Owned Life Insurance policies sold | policy													5
Prudential Financial
Related Party Transaction [Line Items]
Company's share of corporate expenses													$ 105,000,000	86,000,000	76,000,000
Number of Corporate Owned Life Insurance policies sold | policy													1
Affiliated Entity
Related Party Transaction [Line Items]
Net investment income													$ 4,600,000	1,700,000
Accrued interested receivable related to long-tern notes receivable					1,000,000								1,000,000	1,000,000
Revenues related to long-term notes receivable													3,000,000	4,000,000	4,000,000
Accrued investment income					300,000								500,000	300,000
Line of credit facility, maximum borrowing capacity													7,000,000,000
Interest expense related to loans payable													3,200,000	400,000	700,000
Affiliated Entity | PAD
Related Party Transaction [Line Items]
Policy charges and fee income													611,000,000	379,000,000	529,000,000
Affiliated Entity | ASTISI and Prudential Investments
Related Party Transaction [Line Items]
Revenue administrative sharing agreement													306,000,000	374,000,000	344,000,000
Affiliated Entity | PGIM Investments
Related Party Transaction [Line Items]
Revenue administrative sharing agreement													36,000,000	21,000,000	11,000,000
Affiliated Entity | PGIM
Related Party Transaction [Line Items]
Net investment income													41,000,000	20,000,000	15,000,000
Prudential Financial Joint Venture
Related Party Transaction [Line Items]
Other invested assets					$ 466,000,000								606,000,000	466,000,000
Net investment income													21,000,000	$ 39,000,000	$ 12,000,000
PGF
Related Party Transaction [Line Items]
Investment Income, Interest													$ 137,000,000