Segment Information - Reconciliations of Capital Expenditures (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Reconciliation of Capital expenditures
Capital expenditures	$ 707	$ 595	$ 1,457	$ 1,274
Operating Segments | Reportable Segments
Reconciliation of Capital expenditures
Capital expenditures	682	519	1,188	991
Operating Segments | Reportable Segments | Construction Industries
Reconciliation of Capital expenditures
Capital expenditures	51	43	83	75
Operating Segments | Reportable Segments | Resource Industries
Reconciliation of Capital expenditures
Capital expenditures	44	42	70	64
Operating Segments | Reportable Segments | Energy & Transportation
Reconciliation of Capital expenditures
Capital expenditures	177	100	346	277
Operating Segments | Reportable Segments | Financial Products Segment
Reconciliation of Capital expenditures
Capital expenditures	410	334	689	575
Intersegment Sales and Revenues | All Other operating segments
Reconciliation of Capital expenditures
Capital expenditures	49	46	75	62
Intersegment Sales and Revenues | Cost centers
Reconciliation of Capital expenditures
Capital expenditures	22	16	44	25
Intersegment Sales and Revenues | Timing
Reconciliation of Capital expenditures
Capital expenditures	(27)	16	185	208
Intersegment Sales and Revenues | Other methodology differences
Reconciliation of Capital expenditures
Capital expenditures	$ (19)	$ (2)	$ (35)	$ (12)