Related Party Transactions (Narrative) (Details) - USD ($)	1 Months Ended	3 Months Ended												9 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Policy charges and fee income															$ 1,231,816,000	$ 1,943,599,000	$ 2,081,046,000
Net investment income															490,393,000	579,261,000	551,548,000
Accrued investment income		$ 61,117,000				$ 121,604,000									61,117,000	121,604,000
Pruco Life
Related Party Transaction [Line Items]
Long-term debt			$ 300,000,000											$ 300,000,000
Market Value of the Loan			326,000,000											326,000,000
Related Party Transaction, Other Revenues from Transactions with Related Party														$ 24,000,000
Prudential Insurance
Related Party Transaction [Line Items]
Stock option program plan expense															400,000	100,000	100,000
Deferred compensation program expense															1,500,000	700,000	600,000
Pension plan expense															7,200,000	3,000,000	2,000,000
Welfare plan expense															$ 2,900,000	2,000,000	2,000,000
Defined contribution plan employer matching contribution percent															4.00%
Defined contribution plan, cost recognized															$ 2,700,000	1,300,000	900,000
Affiliated Entity
Related Party Transaction [Line Items]
Net investment income															1,700,000	2,100,000
Accrued interest receivable related to long-term notes		0				0									0	0
Revenue related to long-term notes receivable															900,000	1,500,000	100,000
Accrued investment income		0				300,000									0	300,000
Interest expense related to loans payable															9,000,000	53,000,000	107,000,000
Affiliated Entity | PAD
Related Party Transaction [Line Items]
Policy charges and fee income															467,000,000	211,000,000	97,000,000
Affiliated Entity | ASTISI and Prudential Investments
Related Party Transaction [Line Items]
Revenue administrative sharing agreement															96,000,000	89,000,000	96,000,000
Affiliated Entity | PGIM
Related Party Transaction [Line Items]
Net investment income															23,000,000	23,000,000	14,000,000
Prudential Financial Joint Ventures
Related Party Transaction [Line Items]
Net investment income															18,000,000	17,000,000	17,000,000
Other invested assets		0				534,000,000									0	534,000,000
Prudential Financial
Related Party Transaction [Line Items]
Corporate Expenses															35,000,000	20,000,000	25,000,000
Line of credit facility, maximum borrowing capacity		9,000,000,000													9,000,000,000
PAI
Related Party Transaction [Line Items]
Contributed capital															$ 0	0	$ 0
Return of capital			$ 3,813,000,000			$ 188,000,000	$ 192,000,000	$ 173,000,000	$ 207,000,000	$ 241,000,000	$ 245,000,000	$ 247,000,000	$ 245,000,000
Dividend		$ 451,000,000		$ 188,000,000	$ 192,000,000											$ 0
PAI | Subsequent Event
Related Party Transaction [Line Items]
Return of capital	$ 306,000,000