Investments - Debt Securities with a Decline in Fair Value, Including Disposal Groups (Details) $ in Millions	Dec. 31, 2024 USD ($) position
Total
Total Fair Value, including held for sale assets	$ 6,551
Total Amortized Cost, including held for sale assets	7,265
Total Unrealized Depreciation, including held for sale assets	$ (714)
Total Number of Issues, including held for sale assets \| position	2,704
Investment grade \| Debt securities
One year or less
Fair Value, including held for sale assets	$ 1,203
Amortized Cost, including held for sale assets	1,227
Unrealized Depreciation, including held for sale assets	$ (24)
Number of Issues, including held for sale assets \| position	545
More than one year
Fair Value, including held for sale assets	$ 4,687
Amortized Cost, including held for sale assets	5,319
Unrealized Depreciation, including held for sale assets	$ (632)
Number of Issues, including held for sale assets \| position	1,297
Below investment grade \| Debt securities
One year or less
Fair Value, including held for sale assets	$ 245
Amortized Cost, including held for sale assets	250
Unrealized Depreciation, including held for sale assets	$ (5)
Number of Issues, including held for sale assets \| position	739
More than one year
Fair Value, including held for sale assets	$ 416
Amortized Cost, including held for sale assets	469
Unrealized Depreciation, including held for sale assets	$ (53)
Number of Issues, including held for sale assets \| position	123

- Definition

Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Accumulated Loss Before Reclassification To Disposal Group Assets Held For Sale

+ References

No definition available.

+ Details

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- Definition

Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Accumulated Loss Before Reclassification To Disposal Group Assets Held For Sale

+ References

No definition available.

+ Details

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- Definition

Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Amortized Cost Before Reclassification To Disposal Group Assets Held For Sale

+ References

No definition available.

+ Details

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- Definition

Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value Before Reclassification To Disposal Group Assets Held For Sale

+ References

No definition available.

+ Details

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- Definition

Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Amortized Cost Before Reclassification To Disposal Group Assets Held For Sale

+ References

No definition available.

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- Definition

Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value Before Reclassification To Disposal Group Assets Held For Sale

+ References

No definition available.

+ Details

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- Definition

Available For Sale Securities In Unrealized Loss Positions, Qualitative Disclosure, Less Than 12 Months, Number Of Positions, Before Reclassification To Disposal Group, Assets Held For Sale

+ References

No definition available.

+ Details

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- Definition

Available For Sale Securities In Unrealized Loss Positions, Qualitative Disclosure, Number Of Positions, Before Reclassification To Disposal Group, Assets Held For Sale

+ References

No definition available.

+ Details

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- Definition

Available For Sale Securities In Unrealized Loss Positions, Qualitative Disclosure, Twelve Months Or Longer, Number Of Positions, Before Reclassification To Disposal Group, Assets Held For Sale

+ References

No definition available.

+ Details

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- Definition

Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months Or Longer

+ References

No definition available.

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- Definition

Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less Than 12 Months

+ References

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- Definition

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- Definition

Debt Securities, Available-For-Sale, Unrealized Loss Position, Accumulated Loss, Before Reclassification To Disposal Group, Assets Held-For-Sale

+ References

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- Definition

Debt Securities, Available-For-Sale, Unrealized Loss Position, Amortized Cost, Before Reclassification To Disposal Group, Assets Held-For-Sale

+ References

No definition available.

+ Details

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- Definition

Debt Securities, Available-For-Sale, Unrealized Loss Position, Before Reclassification To Disposal Group, Assets Held For Sale

+ References

No definition available.

+ Details

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