Segment information - Reconciliation of assets (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Reconciliation of assets
Segment assets	$ 87,764	$ 87,476
Items not included in segment assets:
Cash and cash equivalents	6,889	6,978
Deferred income taxes	2,759	2,180
Operating Segments
Reconciliation of assets
Segment assets	59,791	57,366
Operating Segments | Construction Industries
Reconciliation of assets
Segment assets	5,546	5,384
Operating Segments | Resource Industries
Reconciliation of assets
Segment assets	5,548	5,742
Operating Segments | Energy & Transportation
Reconciliation of assets
Segment assets	11,772	10,555
Operating Segments | Financial Products Segment
Reconciliation of assets
Segment assets	36,925	35,685
Operating Segments | Other Operating Segment
Reconciliation of assets
Segment assets	1,937	1,890
Corporate Items and Eliminations
Items not included in segment assets:
Cash and cash equivalents	6,165	6,106
Deferred income taxes	3,194	2,668
Goodwill and intangible assets	4,478	4,452
Property, plant and equipment – net and other assets	4,808	6,548
Inventory methodology differences	(3,560)	(3,169)
Liabilities included in segment assets	11,973	11,781
Other assets	$ (1,022)	$ (166)