Investments (Net investment income) (Details) - USD ($) $ in Millions |
3 Months Ended | |
---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
|
Net Investment Income [Line Items] | ||
Gross investment income | $ 521 | $ 346 |
Investment expense | (17) | (17) |
Net investment income | 504 | 329 |
Fixed maturity securities | ||
Net Investment Income [Line Items] | ||
Gross investment income | 428 | 438 |
Equity securities | ||
Net Investment Income [Line Items] | ||
Gross investment income | 29 | (44) |
Limited partnership investments | ||
Net Investment Income [Line Items] | ||
Gross investment income | 43 | (70) |
Mortgage loans | ||
Net Investment Income [Line Items] | ||
Gross investment income | 14 | 14 |
Short term investments | ||
Net Investment Income [Line Items] | ||
Gross investment income | 0 | 7 |
Trading portfolio | ||
Net Investment Income [Line Items] | ||
Gross investment income | 5 | 1 |
Other | ||
Net Investment Income [Line Items] | ||
Gross investment income | $ 2 | $ 0 |