CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Comprehensive income (loss)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 212	$ 253
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(11)	22
Net unrealized investment gains (losses)	(395)	1,103
Effect of updating discount rates on future policy benefits	650	(721)
Change in instrument-specific credit risk for market risk benefits	0	1
Defined benefit pension and postretirement plan adjustments	0	5
Total other comprehensive income (loss), net of tax	244	410
Total comprehensive income	456	663
Comprehensive income attributable to noncontrolling interest	2	1
Total comprehensive income attributable to RGA, Inc.	$ 454	$ 662