Related Party Transactions (Narrative) (Details)		1 Months Ended							3 Months Ended		9 Months Ended		12 Months Ended
		Aug. 31, 2025 USD ($)	May 31, 2025 USD ($)	Feb. 28, 2025 USD ($)	Dec. 31, 2024 USD ($)	Nov. 30, 2024 entity	Jun. 30, 2024 USD ($)	May 31, 2023 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) policy	Sep. 30, 2024 USD ($)	Dec. 31, 2024 USD ($)
Related Party Transaction [Line Items]
Commissions and fees									$ 401,893,000	$ 408,767,000	$ 1,270,855,000	$ 3,706,806,000
Payments to Fund Policy Loans											223,678,000	171,967,000
Policy loans					$ 1,541,480,000				1,625,194,000		1,625,194,000		$ 1,541,480,000
Net investment income									839,394,000	638,692,000	2,337,443,000	1,724,005,000
Other invested assets	[1]				1,582,094,000				2,312,006,000		2,312,006,000		1,582,094,000
Fee income from revenue sharing agreement									51,923,000	56,428,000	153,970,000	168,173,000
Commercial Mortgage Loans					7,759,323,000				9,702,695,000		9,702,695,000		7,759,323,000
Accrued investment income	[2]				466,394,000				563,184,000		563,184,000		466,394,000
Prudential Insurance
Related Party Transaction [Line Items]
Contributed Capital		$ 17,000,000	$ 216,000,000	$ 220,000,000	416,000,000
Return of Capital							$ 550,000,000
Dividends											0		0
PGF
Related Party Transaction [Line Items]
Investment Income, Interest									106,000,000	126,000,000	321,000,000	381,000,000
Prudential Insurance
Related Party Transaction [Line Items]
Stock option program plan expense									200,000	200,000	800,000	800,000
Deferred compensation program expense									1,000,000.0	800,000	4,400,000	4,900,000
Pension plan expense									4,000,000	3,000,000	11,000,000	8,000,000
Welfare plan expense									5,000,000	4,000,000	$ 14,000,000	13,000,000
Defined contribution plan, employer matching contribution, percent (up to)											4.00%
Defined contribution plan, cost recognized									3,000,000	2,000,000	$ 7,000,000	6,000,000
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					4,657,000,000				5,033,000,000		$ 5,033,000,000		4,657,000,000
Fees related to Life Insurance, Corporate or Bank Owned, amount									15,000,000	14,000,000	44,000,000	41,000,000
Prudential Financial
Related Party Transaction [Line Items]
Company's share of corporate expenses									20,000,000	30,000,000	$ 69,000,000	98,000,000
Number of Corporate Owned Life Insurance policies sold | policy											1
Payments to Fund Policy Loans								$ 900,000,000
Policy loans					897,000,000				890,000,000		$ 890,000,000		897,000,000
Interest Income on Policy Loans									10,000,000	11,000,000	31,000,000	32,000,000
Affiliated Entity
Related Party Transaction [Line Items]
Related Party Transaction, Number Of Other Affiliated Entities | entity						3
Net investment income									0	1,000,000	0	5,000,000
Accrued interest receivable related to long-term notes					1,000,000				1,000,000		1,000,000		1,000,000
Revenues related to long-term notes receivable									2,000,000	1,000,000	6,000,000	2,000,000
Accrued investment income					0				0		0		0
Line of credit facility, maximum borrowing capacity									7,000,000,000		7,000,000,000
Short-Term and Long-term debt					0				0		0		0
Interest expense related to loans payable, Related Party									1,000,000	13,000,000	11,000,000	24,000,000
Affiliated Entity | Commercial mortgage loans
Related Party Transaction [Line Items]
Commercial Mortgage Loans					0				0		0		0
Affiliated Entity | PAD
Related Party Transaction [Line Items]
Commissions and fees									180,000,000	208,000,000	566,000,000	597,000,000
Affiliated Entity | PGIM
Related Party Transaction [Line Items]
Net investment income									23,000,000	18,000,000	66,000,000	50,000,000
Affiliated Entity | ASTISI and PGIM Investments
Related Party Transaction [Line Items]
Fee income from revenue sharing agreement									62,000,000	68,000,000	185,000,000	204,000,000
Affiliated Entity | PGIM Investments
Related Party Transaction [Line Items]
Fee income from revenue sharing agreement									14,000,000	12,000,000	$ 38,000,000	34,000,000
Affiliated Entity | Prudential Advisors
Related Party Transaction [Line Items]
Selling expenses - Percentage return to Related Party											98.00%
Selling Expense									126,000,000		$ 355,000,000
Prudential Financial Joint Ventures
Related Party Transaction [Line Items]
Net investment income									50,000,000	$ 17,000,000	129,000,000	$ 36,000,000
Other invested assets					$ 1,100,000,000				$ 1,735,000,000		$ 1,735,000,000		$ 1,100,000,000
Other invested assets | Prudential Insurance
Related Party Transaction [Line Items]
Contributed Capital			$ 208,000,000

[1] The table below provides a summary of the gross notional amount and fair value of derivative contracts by the primary underlying risks, excluding embedded derivatives and associated reinsurance recoverables and deposit receivables. Many derivative instruments contain multiple underlying risks. The fair value amounts below represent the value of derivative contracts prior to taking into account the netting effects of master netting agreements and cash collateral.  September 30, 2025December 31, 2024Primary Underlying Risk/Instrument Type Fair Value Fair ValueGross NotionalAssetsLiabilitiesGross NotionalAssetsLiabilities (in thousands)Derivatives Designated as Hedge Accounting Instruments:Currency/Interest RateInterest Rate Swaps$2,711 $0 $(126)$2,851 $0 $(209)Foreign Currency Swaps4,339,466 88,554 (213,498)3,308,842 202,606 (27,523)Total Derivatives Designated as Hedge Accounting Instruments$4,342,177 $88,554 $(213,624)$3,311,693 $202,606 $(27,732)Derivatives Not Qualifying as Hedge Accounting Instruments:Interest RateInterest Rate Swaps$193,248,460 $8,054,508 $(19,736,940)$174,170,160 $9,029,399 $(20,888,553)Interest Rate Futures1,817,500 1,014 (2,051)1,518,400 1,967 (1,443)Interest Rate Options26,725,000 110,164 (1,204,126)29,135,000 279,414 (1,406,265)Interest Rate Forwards0 0 0 0 0 0 Interest Rate Total Return Swaps341,6694,8820 223,721 1,472 (2,121)Foreign CurrencyForeign Currency Forwards2,316,193 10,343 (7,047)1,146,861 30,078 (181)CreditCredit Default Swaps849,9508,7420 911,850 9,606 0 Currency/Interest RateForeign Currency Swaps2,225,11161,881 (50,429)2,285,052 164,152 (9,277)EquityEquity Total Return Swaps28,343,850 2,602,653 (2,473,843)23,025,217 1,160,080 (1,182,913)Equity Options211,675,759 9,174,115 (7,346,036)117,107,059 4,453,762 (3,717,637)Equity Futures813,379 1,692 (908)1,802,205 15 (6,060)Synthetic GICs4,180,490 0 0 3,958,847 143 (31)Total Derivatives Not Qualifying as Hedge Accounting Instruments$472,537,361 $20,029,994 $(30,821,380)$355,284,372 $15,130,088 $(27,214,481)Total Derivatives(1)(2)$476,879,538 $20,118,548 $(31,035,004)$358,596,065 $15,332,694 $(27,242,213) (1)Excludes embedded derivatives which contain multiple underlying risks. The fair value of these embedded derivatives was a net liability of $17,025 million and $11,968 million as of September 30, 2025 and December 31, 2024, respectively, primarily included in "Policyholders' account balances". (2)Recorded in “Other invested assets”, “Payables to parent and affiliates” and "Other liabilities" on the Unaudited Interim Consolidated Statements of Financial Position.

[2] See Note 4 for details of balances associated with variable interest entities.