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Investments - Unrealized Loss Position Maturities (Details) - USD ($) $ in Millions | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Fair Value |  |
Less than one year | $ 201 |
One year through five years | 4,432 |
After five years through ten years | 3,421 |
Greater than ten years | 1,633 |
Fair Value | 13,547 | $ 7,384
Unrealized Losses |  |
Less than one year | 1 |
One year through five years | 194 |
After five years through ten years | 223 |
Greater than ten years | 132 |
Unrealized Losses | 726 | 106
Residential mortgage-backed securities |  |
Fair Value |  |
Debt securities, maturity, without single maturity date, fair value | 686 |
Fair Value | 686 | 629
Unrealized Losses |  |
Debt securities, maturity, without single maturity date, unrealized losses | 48 |
Unrealized Losses | 48 | 10
Commercial mortgage-backed securities |  |
Fair Value |  |
Debt securities, maturity, without single maturity date, fair value | 831 |
Fair Value | 831 | 574
Unrealized Losses |  |
Debt securities, maturity, without single maturity date, unrealized losses | 67 |
Unrealized Losses | 67 | 12
Other asset-backed securities |  |
Fair Value |  |
Debt securities, maturity, without single maturity date, fair value | 2,343 |
Fair Value | 2,343 | 2,061
Unrealized Losses |  |
Debt securities, maturity, without single maturity date, unrealized losses | 61 |
Unrealized Losses | 61 | $ 13
Supporting experience-rated products |  |
Fair Value |  |
Less than one year | 2 |
One year through five years | 27 |
After five years through ten years | 83 |
Greater than ten years | 56 |
Fair Value | 192 |
Unrealized Losses |  |
Less than one year | 0 |
One year through five years | 1 |
After five years through ten years | 6 |
Greater than ten years | 4 |
Unrealized Losses | 13 |
Supporting experience-rated products | Residential mortgage-backed securities |  |
Fair Value |  |
Debt securities, maturity, without single maturity date, fair value | 4 |
Unrealized Losses |  |
Debt securities, maturity, without single maturity date, unrealized losses | 0 |
Supporting experience-rated products | Commercial mortgage-backed securities |  |
Fair Value |  |
Debt securities, maturity, without single maturity date, fair value | 6 |
Unrealized Losses |  |
Debt securities, maturity, without single maturity date, unrealized losses | 1 |
Supporting experience-rated products | Other asset-backed securities |  |
Fair Value |  |
Debt securities, maturity, without single maturity date, fair value | 14 |
Unrealized Losses |  |
Debt securities, maturity, without single maturity date, unrealized losses | 1 |
Supporting remaining products |  |
Fair Value |  |
Less than one year | 199 |
One year through five years | 4,405 |
After five years through ten years | 3,338 |
Greater than ten years | 1,577 |
Fair Value | 13,355 |
Unrealized Losses |  |
Less than one year | 1 |
One year through five years | 193 |
After five years through ten years | 217 |
Greater than ten years | 128 |
Unrealized Losses | 713 |
Supporting remaining products | Residential mortgage-backed securities |  |
Fair Value |  |
Debt securities, maturity, without single maturity date, fair value | 682 |
Unrealized Losses |  |
Debt securities, maturity, without single maturity date, unrealized losses | 48 |
Supporting remaining products | Commercial mortgage-backed securities |  |
Fair Value |  |
Debt securities, maturity, without single maturity date, fair value | 825 |
Unrealized Losses |  |
Debt securities, maturity, without single maturity date, unrealized losses | 66 |
Supporting remaining products | Other asset-backed securities |  |
Fair Value |  |
Debt securities, maturity, without single maturity date, fair value | 2,329 |
Unrealized Losses |  |
Debt securities, maturity, without single maturity date, unrealized losses | $ 60 |

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