Segment Information - Reconciliations of Capital Expenditures (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Reconciliation of Capital expenditures
Capital expenditures	$ 781	$ 617	$ 2,238	$ 1,891
Operating Segments | Reportable Segments
Reconciliation of Capital expenditures
Capital expenditures	758	601	1,946	1,592
Operating Segments | Reportable Segments | Construction Industries
Reconciliation of Capital expenditures
Capital expenditures	105	74	188	149
Operating Segments | Reportable Segments | Resource Industries
Reconciliation of Capital expenditures
Capital expenditures	62	65	132	129
Operating Segments | Reportable Segments | Energy & Transportation
Reconciliation of Capital expenditures
Capital expenditures	249	167	595	444
Operating Segments | Reportable Segments | Financial Products Segment
Reconciliation of Capital expenditures
Capital expenditures	342	295	1,031	870
Intersegment Sales and Revenues | All Other operating segments
Reconciliation of Capital expenditures
Capital expenditures	67	54	142	116
Intersegment Sales and Revenues | Cost centers
Reconciliation of Capital expenditures
Capital expenditures	27	16	71	41
Intersegment Sales and Revenues | Timing
Reconciliation of Capital expenditures
Capital expenditures	0	(35)	185	173
Intersegment Sales and Revenues | Other methodology differences
Reconciliation of Capital expenditures
Capital expenditures	$ (71)	$ (19)	$ (106)	$ (31)