Debt - Trust II Facility Agreement (Details) - Trust II Facility Agreement - USD ($) $ in Millions	May 20, 2025	Sep. 30, 2025
Line of Credit Facility [Line Items]
Facility agreement term	30 years
Pre-capitalized securities, sold by trust	$ 1,000
Commitment fee percentage	1.888%
Stockholders' equity threshold triggering required facility exercise		$ 2,750
Senior Notes, 6.792%, Due 2055
Line of Credit Facility [Line Items]
Debt instrument, face amount	$ 1,000
Debt instrument, interest rate, stated percentage	6.792%

Facility Agreement Term

No definition available.

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- Definition

Pre-capitalized securities, sold by trust

+ References

No definition available.

+ Details

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- Definition

Stockholders' equity threshold triggering required facility exercise

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Details

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- Details

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