Related Party Transactions (Narrative) (Details)	1 Months Ended		3 Months Ended					12 Months Ended
	May 31, 2023 USD ($)	Feb. 28, 2023 USD ($)	Mar. 31, 2024 USD ($) policy	Dec. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Related Party Transaction [Line Items]
Commissions and fees			$ 2,928,745,000				$ 386,491,000
Payments to Fund Policy Loans			64,385,000				44,573,000
Policy loans			1,496,241,000	$ 1,472,677,000				$ 1,472,677,000
Net investment income			505,320,000				349,450,000
Other invested assets			1,337,953,000	1,222,985,000				1,222,985,000
Fee income from revenue sharing agreement			56,632,000				64,202,000
Accrued investment income			361,054,000	333,838,000				333,838,000
Prudential Insurance
Related Party Transaction [Line Items]
Contributed Capital		$ 405,000,000		7,000,000
Return of Capital				450,000,000	$ 650,000,000	$ 300,000,000
Dividends			0					0
PGF
Related Party Transaction [Line Items]
Investment Income, Interest			128,000,000				110,000,000
Prudential Insurance
Related Party Transaction [Line Items]
Stock option program plan expense			200,000				100,000
Deferred compensation program expense			3,300,000				2,700,000
Pension plan expense			3,000,000				3,000,000
Welfare plan expense			$ 4,000,000				4,000,000
Defined contribution plan, employer matching contribution, percent (up to)			4.00%
Defined contribution plan, cost recognized			$ 2,000,000				2,000,000
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			$ 4,325,000,000	4,156,000,000				4,156,000,000
Fees related to Life Insurance, Corporate or Bank Owned, amount			13,000,000				13,000,000
Prudential Financial
Related Party Transaction [Line Items]
Company's share of corporate expenses			$ 36,000,000				39,000,000
Number of Corporate Owned Life Insurance policies sold | policy			1
Payments to Fund Policy Loans	$ 900,000,000
Policy loans			$ 898,000,000	898,000,000				898,000,000
Interest Income on Policy Loans			10,000,000
Affiliated Entity
Related Party Transaction [Line Items]
Net investment income			2,000,000				2,000,000
Accrued interest receivable related to long-term notes receivable			1,000,000	1,000,000				1,000,000
Revenues related to long-term notes receivable			1,000,000				1,000,000
Accrued investment income			500,000	500,000				500,000
Line of credit facility, maximum borrowing capacity			7,000,000,000
Long-term debt to affiliates			0	0				0
Interest expense related to loans payable, Related Party			4,000,000				3,000,000
Affiliated Entity | PAD
Related Party Transaction [Line Items]
Commissions and fees			178,000,000				140,000,000
Affiliated Entity | PGIM
Related Party Transaction [Line Items]
Net investment income			15,000,000				12,000,000
Affiliated Entity | ASTISI and PGIM Investments
Related Party Transaction [Line Items]
Fee income from revenue sharing agreement			69,000,000				69,000,000
Affiliated Entity | PGIM Investments
Related Party Transaction [Line Items]
Fee income from revenue sharing agreement			11,000,000				9,000,000
Prudential Financial Joint Ventures
Related Party Transaction [Line Items]
Net investment income			9,000,000				$ 2,000,000
Other invested assets			$ 854,000,000	$ 754,000,000				$ 754,000,000