Long-term debt - Aggregate amounts of maturities of long-term debt (Details) $ in Millions	Dec. 31, 2024 USD ($)
Long-term Debt
2025	$ 6,665
2026	8,529
2027	7,758
2028	214
2029	2,596
Machinery, Energy & Transportation
Long-term Debt
2025	46
2026	21
2027	17
2028	203
2029	503
Financial Products
Long-term Debt
2025	6,619
2026	8,508
2027	7,741
2028	11
2029	$ 2,093