Long-Term Debt (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
Long-term Debt [Line Items]
Long-term debt in U.S. dollars	$ 31,340
U.S. dollar equivalent at year-end exchange rates of amounts payable in foreign currencies	5,415
Portion of long-term debt included in current liability	4,892
Long-term debt maturing - 2026	5,456
Long-term debt maturing - 2027	1,357
Long-term debt maturing - 2028	1,441
Long-term debt maturing - 2029	1,604
Net investment hedge, European business	3,100
Long Term Financing [Member]
Long-term Debt [Line Items]
Unused credit lines	$ 1,300