Consolidated Statements of Operations and Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenues
Premiums	$ 181	$ 191
Universal life and investment-type product policy fees	743	701
Net investment income	1,169	896
Other revenues	96	84
Net investment gains (losses)	12	(19)
Net derivative gains (losses)	(1,387)	6,747
Total revenues	814	8,600
Expenses
Policyholder benefits and claims	644	1,133
Interest credited to policyholder account balances	290	251
Amortization of deferred policy acquisition costs and value of business acquired	50	702
Other expenses	424	410
Total expenses	1,408	2,496
Income (loss) before provision for income tax	(594)	6,104
Provision for income tax expense (benefit)	(141)	1,265
Net income (loss)	(453)	4,839
Less: Net income (loss) attributable to noncontrolling interests	0	0
Net income (loss) attributable to Brighthouse Life Insurance Company	(453)	4,839
Comprehensive income (loss)	(2,689)	4,069
Less: Comprehensive income (loss) attributable to noncontrolling interests	0	0
Comprehensive income (loss) attributable to Brighthouse Life Insurance Company	$ (2,689)	$ 4,069