CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions		Dec. 31, 2024		Dec. 31, 2023
Fixed Maturity Securities [Abstract]
Fixed maturity securities available-for-sale at fair value (amortized cost of $82,907 and $64,977; allowance for credit losses of $98 and $75)		$ 77,617	[1]	$ 60,467	[2]
Equity Securities, FV-NI		155		139
Mortgage loans (net of allowance for credit losses of $93 and $67)		8,839		7,377
Policy loans		1,321		1,206
Funds withheld at interest		5,436		5,683
Real Estate Investments, Joint Ventures		3,067		2,635
Short-term investments		363		222
Other invested assets		1,242		1,171
Total investments		98,040		78,900
Cash and cash equivalents		3,326		2,970
Accrued investment income		986		759
Premiums receivable and other reinsurance balances		3,898		3,528
Reinsurance ceded receivables and other		5,531		5,448
Deferred policy acquisition costs		5,543		4,617
Other assets		1,351		1,401
Total assets	[3]	118,675		97,623
Liabilities and Equity
Future policy benefits		53,368		41,231
Interest-sensitive contract liabilities		35,095		30,273
Other policy claims and benefits		2,693		2,730
Other reinsurance balances		1,316		1,103
Deferred income taxes		2,199		1,862
Funds Held under Reinsurance Agreements, Liability		5,017		4,483
Other liabilities		2,816		2,085
Long-term debt		5,042		4,427
Total liabilities		107,769		88,452
Commitments and contingent liabilities (See Note 17)
Stockholders Equity:
Preferred stock (par value $.01 per share; 10,000,000 shares authorized; no shares issued or outstanding)		0		0
Common stock (par value $0.01 per share; 140,000,000 shares authorized; shares issued: 85,310,598 at both December 31, 2024 and December 31, 2023)		1		1
Additional paid-in-capital		2,600		2,544
Retained earnings		9,255		8,805
Treasury stock, at cost – 19,438,336 and 19,689,885 shares		(1,889)		(1,900)
Accumulated other comprehensive income (loss)		849		(369)
Total Reinsurance Group of America, Inc. stockholders’ equity		10,816		9,081
Total liabilities and stockholders’ equity		118,675		97,623
Stockholders' Equity Attributable to Noncontrolling Interest		90		90
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		10,906		9,171
Market Risk Benefit, Net Amount at Risk		$ 223		$ 258

[1] Excludes limited partnerships that are measured at estimated fair value using the NAV per share (or its equivalent) as a practical expedient. As of December 31, 2024, the fair value of such investments was $966 million

[2] Excludes limited partnerships that are measured at estimated fair value using the NAV per share (or its equivalent) as a practical expedient. As of December 31, 2023, the fair value of such investments was $856 million.

[3] Capital expenditures of each reporting segment were immaterial.