Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Revenues
Premiums	$ 183	$ 201
Universal life and investment-type product policy fees	422	305
Net investment income	1,269	1,223
Other revenues	121	123
Net investment gains (losses)	(81)	(43)
Net derivative gains (losses)	318	(1,933)
Total revenues	2,232	(124)
Expenses
Policyholder benefits and claims (including liability remeasurement gains (losses) of $0 and $0, respectively)	619	984
Interest credited to policyholder account balances	554	496
Amortization of deferred policy acquisition costs and value of business acquired	136	138
Change in market risk benefits	896	(1,438)
Other expenses	410	429
Total expenses	2,615	609
Income (loss) before provision for income tax	(383)	(733)
Provision for income tax expense (benefit)	(96)	(168)
Net income (loss)	(287)	(565)
Net income (loss) attributable to noncontrolling interest	0	0
Net income (loss) attributable to Brighthouse Life Insurance Company	(287)	(565)
Comprehensive income (loss)	307	(710)
Less: Comprehensive income (loss) attributable to noncontrolling interests	0	0
Comprehensive income (loss) attributable to Brighthouse Life Insurance Company	$ 307	$ (710)