v3.25.2
SHAREHOLDERS' EQUITY - Reclassifications Out of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]            
Net investment gains (losses) $ (421)   $ 696   $ (1,384) $ 1,647
Net investment income 1,081   1,095   2,036 2,095
Acquisition and operating expenses (1,328)   (1,198)   (2,636) (2,453)
Income tax (expense) or benefit (223)   (264)   (339) (556)
Net of tax $ 599 $ 29 $ 1,755 $ 1,879 $ 628 $ 3,634
U.S. federal statutory income tax rate 21.00%   21.00%   21.00% 21.00%
Reclassification Out Of Accumulated Other Comprehensive Income            
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]            
Net of tax $ (13)   $ 39   $ 19 $ 171
Reclassification Out Of Accumulated Other Comprehensive Income | Unrealized gains (losses) on available-for-sale securities            
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]            
Net investment gains (losses) (14)   50   26 218
Income tax (expense) or benefit [1] 3   (11)   (5) (46)
Net of tax (11)   39   21 172
Reclassification Out Of Accumulated Other Comprehensive Income | Unrealized Gains (Losses) on Derivatives            
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]            
Net investment gains (losses) (1)   (1)   (2) (2)
Income tax (expense) or benefit [1] 0   0   0 0
Net of tax (1)   (1)   (2) (2)
Reclassification Out Of Accumulated Other Comprehensive Income | Pension liability adjustment, actuarial gains (losses)            
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]            
Acquisition and operating expenses [2] (1)   1   0 1
Reclassification Out Of Accumulated Other Comprehensive Income | Pension liability adjustment, prior service (cost) credit            
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]            
Acquisition and operating expenses [2] 0   0   0 0
Reclassification Out Of Accumulated Other Comprehensive Income | Pension Liability Adjustment            
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]            
Income tax (expense) or benefit [1] 0   0   0 0
Net of tax $ (1)   $ 1   $ 0 $ 1
[1] Based on 21% tax rate
[2] These accumulated other comprehensive income components are included in the computation of net periodic benefit cost (see Note 12 for additional details).