CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Comprehensive income
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 627	$ 617	$ 415
Other comprehensive income, net of tax:
Foreign currency translation adjustments	(162)	60	23
Net unrealized investment gains (losses)	(9,108)	(1,799)	2,201
Defined benefit pension and postretirement plan adjustments	23	22	(2)
Total other comprehensive income (loss), net of tax	(9,247)	(1,717)	2,222
Total comprehensive income (loss)	(8,620)	(1,100)	2,637
Comprehensive income (loss), net of tax attributable to noncontrolling interest	4	0	0
Total comprehensive income (loss) available to Reinsurance Group of America, Inc.	$ (8,624)	$ (1,100)	$ 2,637