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Income Taxes - Significant components of deferred tax assets and liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets: |  |
Federal net operating loss carryforwards | $ 12 | $ 15
Foreign underwriting losses | 9 | 6
Capital loss carryforwards | 0 | 7
Insurance claims and reserves | 249 | 240
Employee benefits | 112 | 102
Other, net | 26 | 45
Total deferred tax assets before valuation allowance | 408 | 415
Valuation allowance against deferred tax assets | (25) | (29)
Total deferred tax assets | 383 | 386
Deferred tax liabilities: |  |
Investment securities | (200) | (129)
Deferred policy acquisition costs | (61) | (55)
Insurance claims and reserves transition liability | (17) | (21)
Real estate, property and equipment | (29) | (33)
Total deferred tax liabilities | (307) | (238)
Net deferred tax asset | $ 76 | $ 148

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