Financing Activities	6 Months Ended
	Jun. 30, 2021
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	Financing ActivitiesOn June 9, 2020, RGA issued 3.15% Senior Notes due June 15, 2030, with a face amount of $600 million. This security has been registered with the Securities and Exchange Commission. The net proceeds were approximately $593 million and were used in part to repay the Company’s $400 million 5.000% Senior Notes that matured in June 2021, and the remainder was used for general corporate purposes. Capitalized issue costs were approximately $5 million.