Debt - Credit Facility (Details) - USD ($)	Sep. 30, 2025	Apr. 30, 2025	Dec. 31, 2024
Line of Credit Facility [Line Items]
Credit Facility outstanding	$ 0		$ 0
Commercial paper outstanding	(235,000,000)		0
Credit Facility
Line of Credit Facility [Line Items]
Available borrowing capacity	2,500,000,000	$ 2,250,000,000	2,250,000,000
Commercial paper outstanding	(235,000,000)		0
Letters of credit outstanding	(864,000)		(1,714,000)
Total Credit Facility available	2,264,136,000		2,248,286,000
Other Letter of Credit
Line of Credit Facility [Line Items]
Letters of credit outstanding	$ (55,037,000)		$ (45,910,000)

Carrying value as of the balance sheet date of short-term borrowings using unsecured obligations issued by banks, corporations and other borrowers to investors. The maturities of these money market securities generally do not exceed 270 days.

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Balance Type:	credit
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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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

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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