Related Party Transactions (Narrative) (Details)	3 Months Ended							9 Months Ended		12 Months Ended
	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 ($)	Sep. 30, 2022 USD ($) policy	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Related Party Transaction [Line Items]
Commissions and fees	$ 438,781,000				$ 610,101,000			$ 1,256,155,000	$ 942,166,000
Net investment income	210,762,000				179,110,000			582,190,000	373,277,000
Other invested assets	1,008,769,000			$ 1,209,925,000				1,008,769,000		$ 1,209,925,000
Fee income from revenue sharing agreement	68,554,000				91,938,000			219,576,000	104,425,000
Accrued investment income	191,602,000			160,027,000				191,602,000		160,027,000
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
Return of Capital						$ 34,000,000
Dividends								0		0
PALAC
Related Party Transaction [Line Items]
Market value of loan				324,000,000						324,000,000
Premium										24,000,000
Prudential Insurance
Related Party Transaction [Line Items]
Stock option program plan expense	300,000				0			800,000	400,000
Deferred compensation program expense	700,000				600,000			3,900,000	2,900,000
Pension plan expense	4,000,000				2,000,000			14,000,000	8,000,000
Welfare plan expense	4,000,000				3,000,000			$ 11,000,000	9,000,000
Defined contribution plan, employer matching contribution, percent (up to)								4.00%
Defined contribution plan, cost recognized	3,000,000				1,000,000			$ 7,000,000	3,000,000
Number of Corporate Owned Life Insurance policies sold | policy								5
Prudential Insurance and Prudential Financial
Related Party Transaction [Line Items]
Life Insurance, Corporate or Bank Owned, amount	4,322,000,000			5,248,000,000				$ 4,322,000,000		5,248,000,000
Fees related to Life Insurance, Corporate or Bank Owned, amount	13,000,000				15,000,000			40,000,000	42,000,000
Prudential Financial
Related Party Transaction [Line Items]
Company's share of corporate expenses	24,000,000				17,000,000			$ 58,000,000	49,000,000
Number of Corporate Owned Life Insurance policies sold | policy								1
Affiliated Entity
Related Party Transaction [Line Items]
Net investment income	1,000,000				1,000,000			$ 3,000,000	1,000,000
Accrued interest receivable related to long-term notes receivable	1,000,000			1,000,000				1,000,000		1,000,000
Revenues related to long-term notes receivable	1,000,000				1,000,000			3,000,000	3,000,000
Accrued investment income	400,000				300,000			400,000	300,000
Line of credit facility, maximum borrowing capacity	2,200,000,000							2,200,000,000
Interest expense related to loans payable					200,000				200,000
Interest income related to loans payable	32,000,000							37,000,000
Invested Assets				167,000,000						167,000,000
Affiliated Entity | PAD
Related Party Transaction [Line Items]
Commissions and fees	139,000,000				98,000,000			471,000,000	291,000,000
Affiliated Entity | PGIM
Related Party Transaction [Line Items]
Net investment income	11,000,000				6,000,000			29,000,000	13,000,000
Affiliated Entity | ASTISI and PGIM Investments
Related Party Transaction [Line Items]
Fee income from revenue sharing agreement	74,000,000				95,000,000			237,000,000	280,000,000
Affiliated Entity | PGIM Investments
Related Party Transaction [Line Items]
Fee income from revenue sharing agreement	9,000,000				4,000,000			28,000,000	11,000,000
Prudential Financial Joint Ventures
Related Party Transaction [Line Items]
Net investment income	2,000,000				$ 20,000,000			21,000,000	$ 27,000,000
Other invested assets	$ 563,000,000			$ 466,000,000				$ 563,000,000		$ 466,000,000