Related Party Transactions (Narrative) (Details)	3 Months Ended								9 Months Ended	12 Months Ended
	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 ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) policy	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Related Party Transaction [Line Items]
Policy charges and fee income										$ 1,529,757,000	$ 624,320,000	$ 544,156,000
Company's share of corporate expenses										(2,044,942,000)	(201,644,000)	(200,666,000)
Net investment income										550,235,000	367,350,000	393,797,000
Accrued investment income	$ 160,027,000				$ 93,613,000					160,027,000	93,613,000
Contributed Capital										776,657,000	575,000,000	0
Prudential Insurance
Related Party Transaction [Line Items]
Contributed Capital	457,000,000	$ 3,813,000,000		$ 106,000,000	175,000,000	$ 75,000,000	$ 325,000,000	$ 6,000,000
Return of Capital			$ 34,000,000								0
Dividend										0	0	250,000,000
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				4,757,000,000					5,248,000,000	4,757,000,000
Fees related to Life Insurance, Corporate or Bank Owned, amount										56,000,000	50,000,000	48,000,000
Maximum amount of mortality risk	3,500,000									3,500,000
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										4,000,000	5,000,000	6,000,000
Pension plan expense										14,000,000	17,000,000	20,000,000
Welfare plan expense										$ 13,000,000	18,000,000	24,000,000
Defined contribution plan, employer matching contribution, percent (up to)										4.00%
Defined contribution plan, cost recognized										$ 5,000,000	7,000,000	9,000,000
Number of Corporate Owned Life Insurance policies sold | policy										5
Prudential Financial
Related Party Transaction [Line Items]
Company's share of corporate expenses										$ 86,000,000	76,000,000	116,000,000
Number of Corporate Owned Life Insurance policies sold | policy										1
Affiliated Entity
Related Party Transaction [Line Items]
Net investment income										$ 1,700,000
Accrued interested receivable related to long-tern notes receivable	1,000,000				1,000,000					1,000,000	1,000,000
Revenues related to long-term notes receivable										4,000,000	4,000,000	4,000,000
Accrued investment income	300,000									300,000
Line of credit facility, maximum borrowing capacity	2,200,000,000									2,200,000,000
Interest expense related to loans payable										400,000	700,000	2,300,000
Invested Assets	167,000,000									167,000,000
Affiliated Entity | PAD
Related Party Transaction [Line Items]
Policy charges and fee income										379,000,000	529,000,000	747,000,000
Affiliated Entity | ASTISI and Prudential Investments
Related Party Transaction [Line Items]
Revenue administrative sharing agreement										374,000,000	344,000,000	341,000,000
Affiliated Entity | PGIM Investments
Related Party Transaction [Line Items]
Revenue administrative sharing agreement										21,000,000	11,000,000	10,000,000
Affiliated Entity | PGIM
Related Party Transaction [Line Items]
Net investment income										20,000,000	15,000,000	14,000,000
Prudential Financial Joint Venture
Related Party Transaction [Line Items]
Other invested assets	$ 466,000,000				$ 111,000,000					466,000,000	111,000,000
Net investment income										$ 39,000,000	$ 12,000,000	$ 9,000,000