Debt And Financing Arrangements (Narrative) (Details) $ in Millions, € in Billions	3 Months Ended
	Jun. 30, 2024 EUR (€)	Mar. 31, 2024 EUR (€)	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Notional Amount of Nonderivative Instruments | €	€ 0.7	€ 0.7
Fair Value of Debt Below Carrying Value			$ 500
Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			12,300
Unused lines of credit			7,800
Commercial Paper [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			5,000
Commercial Paper			1,000
Accounts Receivable Securitization Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			2,800
Unused lines of credit			700
Not Designated as Hedging Instrument [Member]
Debt Instrument [Line Items]
Interest Rate Derivative Liabilities, at Fair Value			$ 0	$ 0