v3.26.1
Separate Account Assets Fair Value (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Fair Value, Separate Account Investment [Line Items]    
Separate account assets $ 147,686 $ 151,933
Other invested assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 4,499 5,381
Separate Account, Debt Security | Government and agency    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 26,564 27,047
Separate Account, Debt Security | Public utilities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 1,191 1,250
Separate Account, Debt Security | Municipals    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 314 324
Separate Account, Debt Security | Corporate bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 17,083 18,021
Separate Account, Debt Security | Total bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 45,152 46,642
Separate Account, Debt Security | Mortgage-backed securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 8,332 8,306
Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”)    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 2,351 2,388
Separate Account, Debt Security | Redeemable preferred stock    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 147 146
Separate Account, Debt Security | Total fixed maturity securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 55,982 57,482
Separate Account, Equity Security | Bond funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 10,259 9,290
Separate Account, Equity Security | Equity funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 36,092 38,529
Separate Account, Equity Security | Balanced funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 174 171
Separate Account, Equity Security | Other    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 21,831 22,289
Separate Account, Equity Security | Mutual funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 68,356 70,279
Separate Account, Equity Security | Separate Account, Equity Security    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 12,901 12,801
Investments    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 141,738 145,943
Other Assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 5,948 5,990
Group Benefits    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 1,365 1,438
Group Benefits | Other invested assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Group Benefits | Separate Account, Debt Security | Government and agency    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Group Benefits | Separate Account, Debt Security | Public utilities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Group Benefits | Separate Account, Debt Security | Municipals    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Group Benefits | Separate Account, Debt Security | Corporate bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Group Benefits | Separate Account, Debt Security | Total bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Group Benefits | Separate Account, Debt Security | Mortgage-backed securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Group Benefits | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”)    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Group Benefits | Separate Account, Debt Security | Redeemable preferred stock    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Group Benefits | Separate Account, Debt Security | Total fixed maturity securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Group Benefits | Separate Account, Equity Security | Bond funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 86 87
Group Benefits | Separate Account, Equity Security | Equity funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 1,084 1,156
Group Benefits | Separate Account, Equity Security | Balanced funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 80 80
Group Benefits | Separate Account, Equity Security | Other    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 115 115
Group Benefits | Separate Account, Equity Security | Mutual funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 1,365 1,438
Group Benefits | Separate Account, Equity Security | Separate Account, Equity Security    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Group Benefits | Investments    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 1,365 1,438
Group Benefits | Other Assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
RIS    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 56,092 57,128
RIS | Other invested assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 988 1,198
RIS | Separate Account, Debt Security | Government and agency    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 9,052 9,257
RIS | Separate Account, Debt Security | Public utilities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 1,061 1,077
RIS | Separate Account, Debt Security | Municipals    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 294 307
RIS | Separate Account, Debt Security | Corporate bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 7,985 8,078
RIS | Separate Account, Debt Security | Total bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 18,392 18,719
RIS | Separate Account, Debt Security | Mortgage-backed securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 8,332 8,306
RIS | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”)    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 2,351 2,388
RIS | Separate Account, Debt Security | Redeemable preferred stock    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 7 8
RIS | Separate Account, Debt Security | Total fixed maturity securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 29,082 29,421
RIS | Separate Account, Equity Security | Bond funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 1,600 1,270
RIS | Separate Account, Equity Security | Equity funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 6,275 6,561
RIS | Separate Account, Equity Security | Balanced funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 91 89
RIS | Separate Account, Equity Security | Other    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 10,819 10,673
RIS | Separate Account, Equity Security | Mutual funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 18,785 18,593
RIS | Separate Account, Equity Security | Separate Account, Equity Security    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 2,678 2,889
RIS | Investments    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 51,533 52,101
RIS | Other Assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 4,559 5,027
Asia    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 10,834 10,732
Asia | Other invested assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 327 312
Asia | Separate Account, Debt Security | Government and agency    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 1,048 1,128
Asia | Separate Account, Debt Security | Public utilities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 130 173
Asia | Separate Account, Debt Security | Municipals    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 20 17
Asia | Separate Account, Debt Security | Corporate bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 714 733
Asia | Separate Account, Debt Security | Total bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 1,912 2,051
Asia | Separate Account, Debt Security | Mortgage-backed securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Asia | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”)    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Asia | Separate Account, Debt Security | Redeemable preferred stock    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 140 138
Asia | Separate Account, Debt Security | Total fixed maturity securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 2,052 2,189
Asia | Separate Account, Equity Security | Bond funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 251 191
Asia | Separate Account, Equity Security | Equity funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 3,053 3,366
Asia | Separate Account, Equity Security | Balanced funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Asia | Separate Account, Equity Security | Other    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 379 336
Asia | Separate Account, Equity Security | Mutual funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 3,683 3,893
Asia | Separate Account, Equity Security | Separate Account, Equity Security    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 4,032 3,698
Asia | Investments    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 10,094 10,092
Asia | Other Assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 740 640
Latin America    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 46,741 48,549
Latin America | Other invested assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 2,997 3,753
Latin America | Separate Account, Debt Security | Government and agency    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 11,986 12,336
Latin America | Separate Account, Debt Security | Public utilities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Latin America | Separate Account, Debt Security | Municipals    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Latin America | Separate Account, Debt Security | Corporate bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 7,963 8,749
Latin America | Separate Account, Debt Security | Total bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 19,949 21,085
Latin America | Separate Account, Debt Security | Mortgage-backed securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Latin America | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”)    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Latin America | Separate Account, Debt Security | Redeemable preferred stock    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Latin America | Separate Account, Debt Security | Total fixed maturity securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 19,949 21,085
Latin America | Separate Account, Equity Security | Bond funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 6,319 5,657
Latin America | Separate Account, Equity Security | Equity funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 12,841 13,495
Latin America | Separate Account, Equity Security | Balanced funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Latin America | Separate Account, Equity Security | Other    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Latin America | Separate Account, Equity Security | Mutual funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 19,160 19,152
Latin America | Separate Account, Equity Security | Separate Account, Equity Security    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 4,050 4,261
Latin America | Investments    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 46,156 48,251
Latin America | Other Assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 585 298
EMEA    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 7,422 7,164
EMEA | Other invested assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 187 118
EMEA | Separate Account, Debt Security | Government and agency    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 4,478 4,326
EMEA | Separate Account, Debt Security | Public utilities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
EMEA | Separate Account, Debt Security | Municipals    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
EMEA | Separate Account, Debt Security | Corporate bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 421 461
EMEA | Separate Account, Debt Security | Total bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 4,899 4,787
EMEA | Separate Account, Debt Security | Mortgage-backed securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
EMEA | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”)    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
EMEA | Separate Account, Debt Security | Redeemable preferred stock    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
EMEA | Separate Account, Debt Security | Total fixed maturity securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 4,899 4,787
EMEA | Separate Account, Equity Security | Bond funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 43 44
EMEA | Separate Account, Equity Security | Equity funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 60 169
EMEA | Separate Account, Equity Security | Balanced funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
EMEA | Separate Account, Equity Security | Other    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 28 68
EMEA | Separate Account, Equity Security | Mutual funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 131 281
EMEA | Separate Account, Equity Security | Separate Account, Equity Security    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 2,141 1,953
EMEA | Investments    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 7,358 7,139
EMEA | Other Assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 64 25
Corporate And Other    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 25,232 26,922
Corporate And Other | Other invested assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Corporate And Other | Separate Account, Debt Security | Government and agency    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Corporate And Other | Separate Account, Debt Security | Public utilities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Corporate And Other | Separate Account, Debt Security | Municipals    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Corporate And Other | Separate Account, Debt Security | Corporate bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Corporate And Other | Separate Account, Debt Security | Total bonds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Corporate And Other | Separate Account, Debt Security | Mortgage-backed securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Corporate And Other | Separate Account, Debt Security | Asset-backed securities and collateralized loan obligations (collectively, “ABS & CLO”)    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Corporate And Other | Separate Account, Debt Security | Redeemable preferred stock    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Corporate And Other | Separate Account, Debt Security | Total fixed maturity securities    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Corporate And Other | Separate Account, Equity Security | Bond funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 1,960 2,041
Corporate And Other | Separate Account, Equity Security | Equity funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 12,779 13,782
Corporate And Other | Separate Account, Equity Security | Balanced funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 3 2
Corporate And Other | Separate Account, Equity Security | Other    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 10,490 11,097
Corporate And Other | Separate Account, Equity Security | Mutual funds    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 25,232 26,922
Corporate And Other | Separate Account, Equity Security | Separate Account, Equity Security    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 0 0
Corporate And Other | Investments    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets 25,232 26,922
Corporate And Other | Other Assets    
Fair Value, Separate Account Investment [Line Items]    
Separate account assets $ 0 $ 0