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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of cash outflow for short-term and long-term debt. Excludes payment of lease obligation.

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DEBT (Narrative) (Details) € in Millions				1 Months Ended							12 Months Ended
DEBT (Narrative) (Details) € in Millions	Oct. 20, 2025 USD ($)	Oct. 20, 2022 USD ($)	Dec. 19, 2014 USD ($)	Dec. 31, 2025 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2025 EUR (€)	Jul. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Feb. 28, 2022 USD ($)	Jul. 31, 2021 USD ($)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Apr. 14, 2020 USD ($)	Apr. 10, 2020 USD ($) amendement	Apr. 02, 2020 USD ($)	Mar. 23, 2020 USD ($)	Mar. 22, 2020 USD ($)	Mar. 14, 2019 USD ($)	Jun. 30, 2015 EUR (€)	Sep. 30, 2014 USD ($)	Jul. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Line of Credit Facility [Line Items]
Outstanding credit facility balance				$ 398,000,000							$ 398,000,000	$ 250,000,000
Repayments of senior debt											178,385,000	75,000,000	$ 75,000,000
Interest paid											37,700,000	33,800,000	$ 41,000,000.0
Line of Credit
Line of Credit Facility [Line Items]
Principal amount				250,000,000.0							$ 250,000,000.0
Line of Credit \| Minimum
Line of Credit Facility [Line Items]
Commitment fee percentage											0.075%
Line of Credit \| Maximum
Line of Credit Facility [Line Items]
Commitment fee percentage											0.25%
Line of Credit \| Variable Rate Component One \| NYFRB
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)											0.50%
Line of Credit \| Variable Rate Component One \| Secured Overnight Financing Rate (SOFR)
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)											1.00%
Basis spread on variable rate, floor (in percent)											1.00%
Line of Credit \| Variable Rate Component One \| Prime Rate \| Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)											0.00%
Line of Credit \| Variable Rate Component One \| Prime Rate \| Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)											0.375%
Line of Credit \| Variable Rate Component Two \| Prime Rate \| Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)											0.875%
Line of Credit \| Variable Rate Component Two \| Prime Rate \| Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)											1.375%
Line of Credit \| Variable Rate Component Three \| Prime Rate \| Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)											0.875%
Line of Credit \| Variable Rate Component Three \| Prime Rate \| Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate (as a percent)											1.375%
Senior Notes
Line of Credit Facility [Line Items]
Consolidated leverage ratio under credit facility & note payable, maximum											0.035
Senior Notes \| 2023 Series A Notes and 2025 Series B Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount																							$ 150,000,000.0
Senior Notes \| 2023 Series A Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount																							$ 75,000,000.0
Stated interest rate (as a percent)																							3.94%
Repayments of senior debt				75,000,000.0
Senior Notes \| 2025 Series B Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount																							$ 75,000,000.0
Stated interest rate (as a percent)																							4.04%
Repayments of senior debt								$ 75,000,000.0
Senior Notes \| 2026 Senior Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount				$ 75,000,000							$ 75,000,000										$ 75,000,000.0
Stated interest rate (as a percent)				3.72%							3.72%										3.72%
Senior Notes \| NY Life 2013 Note Agreement and the NY Life 2014 Note Agreement
Line of Credit Facility [Line Items]
Number of amendments \| amendement															2
Senior Notes \| 2021 Series A Notes and 2024 Series B Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount																						$ 125,000,000.0
Senior Notes \| 2021 Series A Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount																						$ 50,000,000.0
Stated interest rate (as a percent)																						3.32%
Repayments of senior debt										$ 50,000,000.0
Senior Notes \| 2024 Series B Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount																						$ 75,000,000.0
Stated interest rate (as a percent)																						3.76%
Repayments of senior debt							$ 75,000,000.0
Senior Notes \| 2025 Series C Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount \| €																				€ 88.9
Stated interest rate (as a percent)																				1.785%
Repayments of senior debt					$ 103,400,000	€ 88.9
Senior Notes \| Prudential 2030 Series D Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount				$ 75,000,000							$ 75,000,000			$ 75,000,000.0
Stated interest rate (as a percent)				2.50%							2.50%			2.50%
Borrowing capacity															$ 425,000,000.0
Senior Notes \| 2022 Series A Notes and 2027 Series B Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount			$ 150,000,000.0
Senior Notes \| 2022 Series A Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount			$ 75,000,000.0
Debt instrument, term			7 years
Stated interest rate (as a percent)			3.25%
Repayments of senior debt									$ 75,000,000.0
Senior Notes \| 2027 Series B Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount			$ 75,000,000.0	$ 75,000,000							$ 75,000,000
Debt instrument, term			12 years
Stated interest rate (as a percent)			3.72%	3.72%							3.72%
Senior Notes \| 2029 Series C Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount				$ 100,000,000							$ 100,000,000								$ 100,000,000.0
Stated interest rate (as a percent)				4.19%							4.19%								4.19%
Senior Notes \| MetLife 2030 Series D Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount				$ 125,000,000							$ 125,000,000					$ 125,000,000.0
Stated interest rate (as a percent)				2.50%							2.50%					2.50%
Borrowing capacity																	$ 300,000,000.0	$ 150,000,000.0
Secured Debt \| Line of Credit
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 250,000,000.0
Debt instrument, term		3 years
Principal amount repaid	$ 250,000,000.0
Outstanding credit facility balance				$ 250,000,000.0							$ 250,000,000.0	250,000,000.0
Revolving Credit Facility
Line of Credit Facility [Line Items]
Outstanding credit facility balance				$ 398,000,000.0							$ 398,000,000.0	$ 250,000,000.0
Stated interest rate (as a percent)				5.30%							5.30%	6.20%
Reduction of credit facility availability				$ 1,800,000							$ 1,800,000	$ 1,900,000
Consolidated leverage ratio under credit facility & note payable, maximum											0.035
Revolving Credit Facility \| Line of Credit
Line of Credit Facility [Line Items]
Remaining borrowing capacity				1,000,000,000.0							$ 1,000,000,000.0
Unsecured Debt \| Line of Credit
Line of Credit Facility [Line Items]
Debt instrument, term											3 years
Remaining borrowing capacity				$ 250,000,000.0							$ 250,000,000.0