Consolidated Statements of Operations - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues
Premiums	$ 811	$ 641	$ 687
Universal life and investment-type product policy fees	1,778	1,876	2,320
Net investment income	4,560	4,064	4,815
Other revenues	418	406	337
Net investment gains (losses)	(242)	(240)	(63)
Net derivative gains (losses)	(3,920)	(585)	(3,986)
Total revenues	3,405	6,162	4,110
Expenses
Policyholder benefits and claims (including liability remeasurement gains (losses) of ($233), $137, ($51), respectively)	2,418	2,186	2,485
Interest credited to policyholder account balances	1,801	1,313	1,243
Amortization of deferred policy acquisition costs and value of business acquired	564	568	558
Change in market risk benefits	(1,497)	(4,105)	(4,142)
Other expenses	1,625	1,694	1,824
Total expenses	4,911	1,656	1,968
Income (loss) before provision for income tax	(1,506)	4,506	2,142
Provision for income tax expense (benefit)	(383)	795	379
Net income (loss)	(1,123)	3,711	1,763
Less: Net income (loss) attributable to noncontrolling interests	1	1	1
Net income (loss) attributable to Brighthouse Life Insurance Company	$ (1,124)	$ 3,710	$ 1,762