Derivative Asset, Notional Amount Settled

No definition available.

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Balance Type:	debit
Period Type:	instant

- Definition

Derivative Asset, Unsettled Notional Amount

+ References

No definition available.

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Derivative, Number Of Fair Value Hedges

+ References

No definition available.

+ Details

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- Definition

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

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

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Balance Type:	na
Period Type:	instant

- Definition

Nominal or face amount used to calculate payments on the derivative asset.

+ References

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Balance Type:	na
Period Type:	instant

- Definition

Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value as of the balance sheet date of all derivative assets designated as interest rate fair value hedging instruments.

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Balance Type:	debit
Period Type:	instant

- Definition

Fair value as of the balance sheet date of all derivative liabilities designated as interest rate fair value hedging instruments.

+ References

+ Details

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Balance Type:	credit
Period Type:	instant

- 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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Balance Type:	credit
Period Type:	instant

- 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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- 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.

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash inflow (outflow) from operating activity, classified as other, in reconciling net income to reflect cash provided by (used in) operating activity when indirect cash flow method is applied.

+ References

No definition available.

+ Details

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Debt and Credit Agreements - Narrative (Details)	3 Months Ended		9 Months Ended		12 Months Ended
Debt and Credit Agreements - Narrative (Details)	Mar. 31, 2025 USD ($) swap	Jun. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) swap	Sep. 30, 2024 USD ($)	Dec. 31, 2023 swap	Dec. 31, 2022 swap	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Line of Credit Facility
Other operating activities			$ (58,000,000)	$ (43,000,000)
Commercial Paper
Line of Credit Facility
Maximum borrowing capacity of credit facility			1,000,000,000.0
Borrowings outstanding			0				$ 75,000,000
Two Separate Fixed-to-Floating Interest Rate Swaps Due 2055 \| Fair Value Hedging
Line of Credit Facility
Derivative, number of fair value hedges \| swap	2
Derivative, term of contract (in years)	10 years
Two Separate Fixed-to-Floating Interest Rate Swaps Due 2055 \| Fair Value Hedging \| Designated as Hedging Instrument
Line of Credit Facility
Interest rate fair value hedge asset at fair value			$ 11,000,000
Seven Fixed-to-Floating Interest Rate Swaps \| Fair Value Hedging
Line of Credit Facility
Derivative, number of fair value hedges \| swap			7
Derivative, term of contract (in years)			10 years
Two Separate Fixed-to-Floating Interest Rate Swaps \| Fair Value Hedging
Line of Credit Facility
Derivative, number of fair value hedges \| swap					2
Five Separate Fixed-to-Floating Interest Rate Swaps \| Fair Value Hedging
Line of Credit Facility
Derivative, number of fair value hedges \| swap						5
Five Separate Fixed-to-Floating Interest Rate Swaps \| Fair Value Hedging \| Designated as Hedging Instrument
Line of Credit Facility
Fair value hedge derivative instrument liabilities at fair value			$ 93,000,000					$ 123,000,000
2023 Fixed-to-Floating Interest Rate Swaps \| Fair Value Hedging \| Designated as Hedging Instrument
Line of Credit Facility
Interest rate fair value hedge asset at fair value			16,000,000					7,000,000
Interest Rate Swap \| Cash Flow Hedge \| Designated as Hedging Instrument
Line of Credit Facility
Asset value of the forward interest rate swap			500,000,000
Derivative asset, notional amount settled		$ 114,000,000
Other operating activities		$ 52,000,000
Derivative asset, unsettled notional amount			0					$ 0
5.05% Notes Due 2035
Line of Credit Facility
Debt issued	$ 600,000,000
Debt interest rate	5.05%
Two Separate Fixed-to-Floating Interest Rate Swaps Due 2055
Line of Credit Facility
Debt issued	$ 250,000,000
Seven Fixed-to-Floating Interest Rate Swaps
Line of Credit Facility
Debt issued			1,100,000,000
3.25% Notes Due 2027
Line of Credit Facility
Debt issued			$ 850,000,000
Debt interest rate			3.25%
Unsecured Revolving Credit Facility Due 2028 \| Credit Facility
Line of Credit Facility
Maximum borrowing capacity of credit facility			$ 1,200,000,000
Borrowings outstanding			$ 0