| Fiscal period | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
| Period End Date | 12/31/2025 | 12/31/2024 | 12/31/2023 | 12/31/2022 | 12/31/2021 | 12/31/2020 | 12/31/2019 | 12/31/2018 | 12/31/2017 | 12/31/2016 |
| Premiums | 30,797.00 | 42,897.00 | 27,364.00 | 38,019.00 | 34,827.00 | 31,140.00 | 34,202.00 | 35,779.00 | 32,091.00 | 30,964.00 |
| Policy charges and fee income | 4,666.00 | 4,298.00 | 4,527.00 | 5,574.00 | 5,944.00 | 6,029.00 | 5,978.00 | 6,002.00 | 5,303.00 | 5,906.00 |
| Realized investment gains, net | (4,132.00) | (3,429.00) | (3,615.00) | (3,369.00) | 4,024.00 | (3,887.00) | (459.00) | 1,977.00 | 432.00 | 2,194.00 |
| Net investment income | 21,473.00 | 19,909.00 | 17,865.00 | 16,037.00 | 18,287.00 | 17,410.00 | 17,585.00 | 16,176.00 | 16,435.00 | 15,520.00 |
| Asset management fees and other income | 4,019.00 | 4,090.00 | 3,717.00 | 4,062.00 | 4,901.00 | 4,391.00 | 4,239.00 | 4,100.00 | 4,127.00 | 3,752.00 |
| Commissions and other income | 4,426.00 | 3,037.00 | 4,065.00 | (273.00) | 2,951.00 | 1,950.00 | 3,262.00 | (1,042.00) | 1,301.00 | 443.00 |
| Change in value of market risk benefits, net of related hedging gains (losses) | (475.00) | (397.00) | 56.00 | -- | -- | -- | -- | -- | -- | -- |
| Total Revenues | 60,774.00 | 70,405.00 | 53,979.00 | 60,050.00 | 70,934.00 | 57,033.00 | 64,807.00 | 62,992.00 | 59,689.00 | 58,779.00 |
| Policyholders’ benefits | 35,224.00 | 47,119.00 | 30,931.00 | 43,487.00 | 38,458.00 | 35,059.00 | 36,820.00 | 39,404.00 | 33,794.00 | 33,632.00 |
| Interest credited to policyholders’ account balances | 5,068.00 | 4,582.00 | 3,983.00 | 2,316.00 | 3,482.00 | 4,538.00 | 4,880.00 | 3,196.00 | 3,822.00 | 3,761.00 |
| Amortization of deferred policy acquisition costs | 1,635.00 | 1,492.00 | 1,459.00 | 2,429.00 | 2,097.00 | 2,221.00 | 2,332.00 | 2,273.00 | 1,580.00 | 1,877.00 |
| Dividends to policyholders | 1,076.00 | 698.00 | 1,069.00 | 198.00 | 2,874.00 | 1,625.00 | 2,274.00 | 1,336.00 | 2,091.00 | 2,025.00 |
| Goodwill impairment | 0.00 | 0.00 | 177.00 | 903.00 | 1,060.00 | -- | -- | -- | -- | -- |
| General and administrative expenses | 13,012.00 | 13,342.00 | 12,951.00 | 12,493.00 | 13,582.00 | 13,913.00 | 13,416.00 | 11,949.00 | 11,915.00 | 11,779.00 |
| Change in estimates of liability for future policy benefits | (103.00) | 37.00 | (337.00) | -- | -- | -- | -- | -- | -- | -- |
| Loss on disposition of property and casualty insurance operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Demutualization costs and expenses:Administrative expenses | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Demutualization costs and expenses:Consideration to former Canadian branch polic | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Income from continuing operations before income taxes | 4,656.00 | 3,209.00 | 3,072.00 | (1,776.00) | 9,381.00 | (323.00) | 5,085.00 | 4,834.00 | 6,487.00 | 5,705.00 |
| Income tax expense | 1,053.00 | 507.00 | 613.00 | (370.00) | 1,674.00 | (81.00) | 947.00 | 822.00 | (1,438.00) | 1,335.00 |
| Current tax expense (benefit) U.S | 60.00 | 495.00 | (4.00) | 214.00 | 1,094.00 | (571.00) | 86.00 | (346.00) | (47.00) | 31.00 |
| Current tax expense (benefit) State and local | 16.00 | 35.00 | 25.00 | 15.00 | 24.00 | 11.00 | 2.00 | 7.00 | 11.00 | 9.00 |
| Current tax expense (benefit) Foreign | 579.00 | 755.00 | 667.00 | 480.00 | 770.00 | 848.00 | 879.00 | 681.00 | 594.00 | 595.00 |
| Deferred tax expense (benefit) U.S | (125.00) | (545.00) | 323.00 | (680.00) | 16.00 | (362.00) | 57.00 | (634.00) | (2,552.00) | 132.00 |
| Deferred tax expense (benefit) State and local | 2.00 | (1.00) | 0.00 | 1.00 | (1.00) | 1.00 | (1.00) | 1.00 | 0.00 | 5.00 |
| Deferred tax expense (benefit) Foreign | 521.00 | (232.00) | (398.00) | (400.00) | (229.00) | (8.00) | (76.00) | 1,113.00 | 556.00 | 563.00 |
| Equity in earnings of operating joint ventures, net of taxes | 129.00 | 144.00 | 49.00 | (56.00) | 87.00 | 96.00 | 100.00 | 76.00 | 49.00 | 49.00 |
| Income from continuing operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4,419.00 |
| Loss from discontinued operations, net of taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.00 |
| Extraordinary gain on acquisition, net of taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Cumulative effect of accounting change, net of taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Net income (loss) | 3,732.00 | 2,846.00 | 2,508.00 | (1,462.00) | 7,794.00 | (146.00) | 4,238.00 | 4,088.00 | 7,974.00 | 4,419.00 |
| Less: Income (loss) attributable to noncontrolling interests | 156.00 | 119.00 | 20.00 | (24.00) | 70.00 | 228.00 | 52.00 | 14.00 | 111.00 | 51.00 |
| Net income | 3,576.00 | 2,727.00 | 2,488.00 | (1,438.00) | 7,724.00 | (374.00) | 4,186.00 | 4,074.00 | 7,863.00 | 4,368.00 |
| Basic:Income from continuing operations per share of Common Stock | -- | -- | -- | -- | -- | -- | -- | -- | -- | 9.85 |
| Basic:Loss from discontinued operations, net of taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.00 |
| Basic:Cumulative effect of accounting change, net of taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Basic:Extraordinary gain on acquisition, net of taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Basic:Net income per share of Common Stock | 10.05 | 7.54 | 6.76 | (3.93) | 19.65 | (1.00) | 10.23 | 9.64 | 18.19 | 9.85 |
| Diluted:Income from continuing operations per share of Common Stock | -- | -- | -- | -- | -- | -- | -- | -- | -- | 9.71 |
| Diluted:Loss from discontinued operations | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0.00 |
| Diluted:Cumulative effect of accounting change, net of taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Diluted:Extraordinary gain on acquisition, net of taxes | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Diluted:Net income per share of Common Stock | 9.99 | 7.50 | 6.74 | (3.93) | 19.51 | (1.00) | 10.11 | 9.50 | 17.86 | 9.71 |
| Weighted average shares - Basic | 351.80 | 357.50 | 363.50 | 372.30 | 387.20 | 395.80 | 404.80 | 417.60 | 427.00 | 438.20 |
| Weighted average shares - Diluted | 353.70 | 359.30 | 364.60 | 372.30 | 390.10 | 395.80 | 410.90 | 426.20 | 436.00 | 446.60 |