Financing Arrangements and Derivative Financial Instruments - Other Narrative (Details) $ in Millions	Sep. 30, 2025 USD ($)
Debt Instrument [Line Items]
Credit arrangements, unused amount	$ 2,547
Debt, percentage bearing variable interest (as percent)	38.00%
Interest Rate	5.99%
Short-term Debt
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 839
Credit arrangements, unused amount	228
Long-term Debt
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	9,706
Credit arrangements, unused amount	2,319
Revolving Credit Facility | Line of Credit
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 10,545