CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Comprehensive income (loss)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 255	$ 158	$ 724	$ 574
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(47)	22	102	39
Net unrealized investment gains (losses)	698	1,894	327	868
Effect of updating discount rates on future policy benefits	149	(624)	1,270	731
Change in instrument-specific credit risk for market risk benefits	(2)	0	(1)	3
Defined benefit pension and postretirement plan adjustments	2	0	5	0
Total other comprehensive income (loss), net of tax	800	1,292	1,703	1,641
Total comprehensive income	1,055	1,450	2,427	2,215
Comprehensive income attributable to noncontrolling interest	2	2	5	5
Total comprehensive income attributable to RGA, Inc.	$ 1,053	$ 1,448	$ 2,422	$ 2,210