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Future Policy Benefits (Long Duration Reinsurance Contracts) (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Dec. 31, 2023
Liability for Future Policy Benefit, by Product Segment [Line Items]        
Future policy benefits $ 66,389 $ 55,933 $ 53,368  
Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment Expense 5,786 5,406    
Future Policy Benefits Unearned Revenue Liability 814 854    
Future Policy Benefits Cost Of Reinsurance Liability 1,550 0    
Additional Liability, Long-Duration Insurance, before Reinsurance, after Discount Rate Change 235 36    
Liability For Future Policy Benefits Before Reinsurance Other Long Duration Contracts 116 117    
Life Insurance Product Line [Member] | Americas [Member] | Other Segments        
Liability for Future Policy Benefit, by Product Segment [Line Items]        
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax (7,000) (4,225) 77,881 $ 76,943
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change     (352) 67
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     (467) (510)
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change 80,949 78,701 77,062 76,500
Liability for Future Policy Benefit, Expected Net Premium, Issuance [1] 7,821 4,980    
Liability for Future Policy Benefit, Expected Net Premium, Interest Income [2] 2,688 2,617    
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected [3] (5,814) (4,390)    
Liability for Future Policy Benefit, Expected Net Premium, Derecognition [4] (812) (1,000)    
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change 4 (6)    
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change 73,949 74,476    
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (8,917) (5,364) 90,711 89,036
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change     (381) 36
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     (406) (623)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change 96,364 91,173 89,924 88,449
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [1] 8,521 4,980    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense [2] 3,227 3,049    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment [5] (4,502) (4,292)    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition [4] (812) (1,008)    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change 6 (5)    
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change 87,447 85,809    
Future policy benefits 13,498 11,333    
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance (834) (726)    
Liability for Future Policy Benefit, after Reinsurance $ 12,664 $ 10,607    
Liability for Future Policy Benefit, Weighted-Average Duration 11 years 12 years    
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 4.60% 4.60%    
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 5.40% 5.10%    
Life Insurance Product Line [Member] | CANADA | Other Segments        
Liability for Future Policy Benefit, by Product Segment [Line Items]        
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax $ (4,501) $ (4,388) 20,928 22,689
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change     570 (592)
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     70 183
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change 22,502 22,008 21,568 22,280
Liability for Future Policy Benefit, Expected Net Premium, Issuance [1] 404 385    
Liability for Future Policy Benefit, Expected Net Premium, Interest Income [2] 559 560    
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected [3] (723) (737)    
Liability for Future Policy Benefit, Expected Net Premium, Derecognition [4] 0 0    
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change 694 (480)    
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change 18,001 17,620    
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (3,934) (3,651) 24,309 26,275
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change     561 (620)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     73 177
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change 26,066 25,576 24,943 25,832
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [1] 404 385    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense [2] 719 721    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment [5] (808) (799)    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition [4] 0 0    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change 808 (563)    
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change 22,132 21,925    
Future policy benefits 4,131 4,305    
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance (254) (272)    
Liability for Future Policy Benefit, after Reinsurance $ 3,877 $ 4,033    
Liability for Future Policy Benefit, Weighted-Average Duration 14 years 14 years    
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 3.70% 3.60%    
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 4.90% 4.80%    
Life Insurance Product Line [Member] | EMEA [Member] | Other Segments        
Liability for Future Policy Benefit, by Product Segment [Line Items]        
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax $ (3,013) $ (2,803) 15,911 15,328
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change     38 187
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     546 421
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change 17,927 16,823 16,495 15,936
Liability for Future Policy Benefit, Expected Net Premium, Issuance [1] 1,106 861    
Liability for Future Policy Benefit, Expected Net Premium, Interest Income [2] 444 394    
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected [3] (1,413) (1,119)    
Liability for Future Policy Benefit, Expected Net Premium, Derecognition [4] 0 0    
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change 1,295 751    
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change 14,914 14,020    
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (3,590) (3,131) 17,365 16,756
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change     261 212
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     536 417
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change 19,874 18,350 18,162 17,385
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [1] 1,106 861    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense [2] 479 425    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment [5] (1,300) (1,115)    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition [4] 0 0    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change 1,427 794    
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change 16,284 15,219    
Future policy benefits 1,370 1,199    
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance (15) (24)    
Liability for Future Policy Benefit, after Reinsurance $ 1,355 $ 1,175    
Liability for Future Policy Benefit, Weighted-Average Duration 8 years 8 years    
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 3.50% 3.30%    
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 5.70% 5.50%    
Life Insurance Product Line [Member] | Asia Pacific [Member] | Other Segments        
Liability for Future Policy Benefit, by Product Segment [Line Items]        
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax $ (12,252) $ (12,360) 44,801 42,741
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change     150 975
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     (668) 210
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change 48,715 45,802 44,283 43,926
Liability for Future Policy Benefit, Expected Net Premium, Issuance [1] 3,752 2,825    
Liability for Future Policy Benefit, Expected Net Premium, Interest Income [2] 952 843    
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected [3] (1,854) (1,653)    
Liability for Future Policy Benefit, Expected Net Premium, Derecognition [4] 0 0    
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change 1,582 (139)    
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change 36,463 33,442    
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (14,609) (14,496) 49,712 47,370
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change     148 1,048
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     (733) 121
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change 54,061 50,714 49,127 48,539
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [1] 3,752 2,825    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense [2] 1,086 964    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment [5] (1,553) (1,476)    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition [4] 0 0    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change 1,649 (138)    
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change 39,452 36,218    
Future policy benefits 2,989 2,776    
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance (78) (85)    
Liability for Future Policy Benefit, after Reinsurance $ 2,911 $ 2,691    
Liability for Future Policy Benefit, Weighted-Average Duration 15 years 15 years    
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 2.80% 2.60%    
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 4.60% 4.60%    
Insurance, Other | Americas [Member] | Other Segments        
Liability for Future Policy Benefit, by Product Segment [Line Items]        
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax $ (194) $ (179) 1,346 1,455
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change     0 12
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     (10) (3)
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change 1,265 1,385 1,336 1,464
Liability for Future Policy Benefit, Expected Net Premium, Issuance [1] 2,118 2,755    
Liability for Future Policy Benefit, Expected Net Premium, Interest Income [2] 30 33    
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected [3] (2,219) (2,867)    
Liability for Future Policy Benefit, Expected Net Premium, Derecognition [4] 0 0    
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change 0 0    
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change 1,071 1,206    
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (332) (215) 9,489 6,843
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change     0 20
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     (13) 0
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change 11,234 9,483 9,476 6,863
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [1] 2,146 2,882    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense [2] 396 276    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment [5] (784) (538)    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition [4] 0 0    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change 0 0    
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change 10,902 9,268    
Liability For Future Policy Benefits Cumulative Amount Of Fair Value Hedging Adjustments 8 32    
Future policy benefits 9,839 8,094    
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance (1,749) (1,241)    
Liability for Future Policy Benefit, after Reinsurance $ 8,090 $ 6,853    
Liability for Future Policy Benefit, Weighted-Average Duration 9 years 8 years    
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 4.10% 3.90%    
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 5.30% 4.90%    
Insurance, Other | CANADA | Other Segments        
Liability for Future Policy Benefit, by Product Segment [Line Items]        
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax $ (182) $ (204) 3,614 3,184
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change     0 0
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     6 (7)
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change 3,560 3,916 3,620 3,177
Liability for Future Policy Benefit, Expected Net Premium, Issuance [1] 0 4,983    
Liability for Future Policy Benefit, Expected Net Premium, Interest Income [2] 99 96    
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected [3] (278) (4,284)    
Liability for Future Policy Benefit, Expected Net Premium, Derecognition [4] 0 0    
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change 119 (56)    
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change 3,378 3,712    
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (125) (33) 7,934 3,210
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change     0 0
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     6 (7)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change 8,121 8,062 7,940 3,203
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [1] 0 4,983    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense [2] 263 189    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment [5] (347) (310)    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition [4] 0 0    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change 265 (3)    
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change 7,996 8,029    
Liability For Future Policy Benefits Cumulative Amount Of Fair Value Hedging Adjustments 0 0    
Future policy benefits 4,618 4,317    
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 0 0    
Liability for Future Policy Benefit, after Reinsurance $ 4,618 $ 4,317    
Liability for Future Policy Benefit, Weighted-Average Duration 12 years 13 years    
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 4.10% 4.10%    
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 4.80% 4.70%    
Insurance, Other | EMEA [Member] | Other Segments        
Liability for Future Policy Benefit, by Product Segment [Line Items]        
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax $ (10,484) $ (8,677) 71,360 54,832
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change     (409) (93)
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     (32) 1,025
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change 86,690 65,559 70,919 55,764
Liability for Future Policy Benefit, Expected Net Premium, Issuance [1] 15,195 9,881    
Liability for Future Policy Benefit, Expected Net Premium, Interest Income [2] 2,078 1,364    
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected [3] (7,283) (4,046)    
Liability for Future Policy Benefit, Expected Net Premium, Derecognition [4] (257) 0    
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change 6,038 2,596    
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change 76,206 56,882    
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (11,507) (9,571) 78,290 60,938
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change     (433) (90)
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     (51) 1,026
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change 96,746 72,527 77,806 61,874
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [1] 15,194 9,881    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense [2] 2,298 1,530    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment [5] (4,834) (3,676)    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition [4] (257) 0    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change 6,539 2,918    
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change 85,239 62,956    
Liability For Future Policy Benefits Cumulative Amount Of Fair Value Hedging Adjustments 0 0    
Future policy benefits 9,033 6,074    
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 0 0    
Liability for Future Policy Benefit, after Reinsurance $ 9,033 $ 6,074    
Liability for Future Policy Benefit, Weighted-Average Duration 9 years 10 years    
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 3.50% 3.10%    
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 5.40% 5.00%    
Insurance, Other | Asia Pacific [Member] | Other Segments        
Liability for Future Policy Benefit, by Product Segment [Line Items]        
AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax $ (621) $ (232) 2,758 2,057
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change     0 1
Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     (121) (7)
Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change 2,279 1,641 2,637 2,051
Liability for Future Policy Benefit, Expected Net Premium, Issuance [1] 2,657 6,443    
Liability for Future Policy Benefit, Expected Net Premium, Interest Income [2] 31 22    
Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected [3] (3,227) (6,823)    
Liability for Future Policy Benefit, Expected Net Premium, Derecognition [4] 0 0    
Liability for Future Policy Benefit, Expected Net Premium, Increase (Decrease) for Other Change 181 (52)    
Liability for Future Policy Benefit, Expected Net Premium, before Reinsurance, after Discount Rate Change 1,658 1,409    
AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax (3,729) (1,544) 14,626 8,019
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change     0 10
Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience     (127) (8)
Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change 17,797 14,375 $ 14,499 $ 8,021
Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance [1] 2,666 6,443    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Interest Expense [2] 251 129    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment [5] (499) (326)    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Derecognition [4] 0 0    
Liability for Future Policy Benefit, Expected Future Policy Benefit, Increase (Decrease) for Other Change 880 108    
Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change 14,068 12,831    
Liability For Future Policy Benefits Cumulative Amount Of Fair Value Hedging Adjustments 0 0    
Future policy benefits 12,410 11,422    
Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance 0 0    
Liability for Future Policy Benefit, after Reinsurance $ 12,410 $ 11,422    
Liability for Future Policy Benefit, Weighted-Average Duration 14 years 15 years    
Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate 1.90% 1.60%    
Liability for Future Policy Benefit, Current Weighted-Average Discount Rate 4.00% 2.80%    
[1] Issuances: The present value, using the original discount rate, of the expected net premiums or the expected future policy benefits related to new reinsurance contracts that became effective during the current period and new policies assumed on existing contracts.
[2] Interest accrual: The interest earned on the beginning present value of either the expected net premiums or the expected future policy benefits using the original interest rate.
[3] Net premiums collected: The portion of gross premiums collected from the ceding company that is used to fund expected benefit payments.
[4] Derecognition: Includes the effects of treaty recaptures and treaty amendments that resulted in the termination of an existing treaty and the issuance of a new treaty under the internal replacement model.
[5] Benefit payments: The release of the present value, using the original discount rate, of the expected future policy benefits due to death, lapse/withdrawal, and other benefit payments based on current assumptions.