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Separate Account Balances and Changes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Separate Account, Liability [Roll Forward]
Balance, beginning of period	$ 952
Balance, end of period	959
Universal life
Separate Account, Liability [Roll Forward]
Balance, beginning of period	952	$ 925
Interest credited before policy charges	11	10
Benefit payments	(8)	0
Other	4	(8)
Balance, end of period	959	927
Cash surrender value	$ 949	$ 925

X

- Definition

Separated Account, Liability, Increase (Decrease) from Interest Credited before Policy Charges

+ References

No definition available.

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- Definition

Amount of cash outflow to separate account policyholder from benefit payment.

+ References

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- Definition

Amount of separate account liability payable to policyholder upon surrender of contract before maturity.

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- Definition

Amount increase (decrease) in separate account liability from change, classified as other.

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- Definition

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- Definition

Amount of liability for variable contract in which all or portion of contract holder's funds is allocated to specific separate account and supported by assets held in separate account.

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