Debt - Schedule of Debt (Parenthetical) (Detail)	6 Months Ended
Jun. 30, 2026
Debt Instrument [Line Items]
Total long-term debt average term	11 years 8 months 12 days
Total long-term debt average rate	5.10%
Commercial Paper [Member]
Debt Instrument [Line Items]
Short term debt average term	38 days
Weighted average rate	4.30%
Senior Unsecured Credit Facility [Member]
Debt Instrument [Line Items]
Effective interest rate	4.80%
Other Debt [Member]
Debt Instrument [Line Items]
Effective interest rate	4.90%
Senior Unsecured Notes Payable Through 2095 [Member]
Debt Instrument [Line Items]
Effective interest rate	5.10%
Payable year	2095

Debt instrument maturity year.

No definition available.

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- Definition

Long-term debt average term.

+ References

No definition available.

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- Definition

Short term debt average terms.

+ References

No definition available.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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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.

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- Definition

Weighted average interest rate of long-term debt outstanding calculated at point in time.

+ References

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- Definition

Weighted average interest rate of short-term debt outstanding calculated at point in time.

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