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Acquisitions and Dispositions - Financial results from discontinued operations (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Costs and expenses |  |  |  |
Income from discontinued operations before income tax expense | $ 0 | $ 235 | $ 0 | $ (3,435)
Income tax expense | 0 | (90) | 0 | (163)
Income (loss) from discontinued operations, net of tax | $ 0 | 325 | $ 0 | (3,272)
Discontinued Operations, Held-for-sale |  |  |  |
Revenues |  |  |  |
Life premiums and contract charges |  | 331 |  | 1,007
Net investment income |  | 427 |  | 1,251
Net gains (losses) on investments and derivatives |  | 4 |  | 193
Total revenues |  | 762 |  | 2,451
Costs and expenses |  |  |  |
Life contract benefits |  | 411 |  | 1,207
Interest credited to contractholder funds |  | 127 |  | 371
Amortization of DAC |  | 27 |  | 84
Operating costs and expenses |  | 45 |  | 151
Restructuring and related charges |  | 7 |  | 30
Total costs and expenses |  | 617 |  | 1,843
Amortization of deferred gain on reinsurance |  | 1 |  | 5
Income from discontinued operations before income tax expense |  | 146 |  | 613
Income tax expense |  | 38 |  | 131
Income from discontinued operations, net of tax |  | 108 |  | 482
Loss on disposition of operations |  | 89 |  | (4,048)
Income tax benefit |  | (128) |  | (294)
Loss on disposition of operations, net of tax |  | 217 |  | (3,754)
Income (loss) from discontinued operations, net of tax |  | $ 325 |  | $ (3,272)

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