Long-term and Short-term Debt (Narrative) (Details) - USD ($) $ in Millions			12 Months Ended
	Jun. 30, 2023	Mar. 28, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	May 16, 2023	Feb. 16, 2023
Debt Instrument [Line Items]
Long-term debt maturities, year one			$ 3
Long-term debt maturities, year two			3
Long-term debt maturities, year three			3
Long-term debt maturities, year four			4
Long-term debt maturities, year five			4
Long-term debt maturities, after year five			815
Interest expense on long-term debt			67	$ 67	$ 70
Intercompany Liquidity Facilities | Brighthouse Life Insurance Company as Lender
Debt Instrument [Line Items]
Debt instrument, face amount						$ 75	$ 125
Debt instrument, stated interest rate						6.4433%	5.9966%
Repayments of Short-Term Debt	$ 75	$ 50
Intercompany Liquidity Facilities | BH Holdings as Lender
Debt Instrument [Line Items]
Debt instrument, face amount						$ 75	$ 125
Debt instrument, stated interest rate						6.2918%	5.9937%
Repayments of Short-Term Debt	$ 75	$ 50
BRCD Reinsurance Financing Arrangement
Debt Instrument [Line Items]
Credit facilities, maximum borrowing capacity			15,000
Credit facilities, outstanding balance			0
Credit facilities, remaining borrowing capacity			15,000
Credit facilities, commitment fee amount			22	21	21
BLIC Repurchase Facility
Debt Instrument [Line Items]
Credit facilities, maximum borrowing capacity			2,500
Credit facilities, outstanding balance			0
Affiliated Entity
Debt Instrument [Line Items]
Interest expense on long-term debt			$ 65	$ 65	$ 68