Sales and revenues by geographic region (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Sales and revenues by geographic region
Sales and revenues	$ 13,589	$ 11,887
Reportable Segments
Sales and revenues by geographic region
Sales and revenues	14,766	12,905
Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	13,660	11,957
Reportable Segments | Segment Reconciling Items
Sales and revenues by geographic region
Sales and revenues	1,106	948
Corporate Items and Eliminations
Sales and revenues by geographic region
Sales and revenues	(1,295)	(1,148)
Corporate Items and Eliminations | Corporate, Non-Segment
Sales and revenues by geographic region
Sales and revenues	(110)	(108)
Corporate Items and Eliminations | Intersegment Eliminations
Sales and revenues by geographic region
Sales and revenues	(1,185)	(1,040)
North America
Sales and revenues by geographic region
Sales and revenues	6,137	4,991
North America | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	6,179	5,041
North America | Corporate Items and Eliminations | Corporate, Non-Segment
Sales and revenues by geographic region
Sales and revenues	(60)	(63)
Latin America
Sales and revenues by geographic region
Sales and revenues	1,393	1,104
Latin America | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	1,409	1,115
Latin America | Corporate Items and Eliminations | Corporate, Non-Segment
Sales and revenues by geographic region
Sales and revenues	(16)	(11)
EAME
Sales and revenues by geographic region
Sales and revenues	3,145	2,743
EAME | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	3,151	2,748
EAME | Corporate Items and Eliminations | Corporate, Non-Segment
Sales and revenues by geographic region
Sales and revenues	(11)	(8)
Asia/Pacific
Sales and revenues by geographic region
Sales and revenues	2,914	3,049
Asia/Pacific | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	2,921	3,053
Asia/Pacific | Corporate Items and Eliminations | Corporate, Non-Segment
Sales and revenues by geographic region
Sales and revenues	(23)	(26)
Construction Industries | Reportable Segments
Sales and revenues by geographic region
Sales and revenues	6,115	5,459
Construction Industries | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	6,086	5,441
Construction Industries | Reportable Segments | Segment Reconciling Items
Sales and revenues by geographic region
Sales and revenues	29	18
Construction Industries | North America | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	2,720	2,126
Construction Industries | Latin America | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	627	392
Construction Industries | EAME | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	1,277	1,081
Construction Industries | Asia/Pacific | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	1,462	1,842
Resource Industries | Reportable Segments
Sales and revenues by geographic region
Sales and revenues	2,830	2,178
Resource Industries | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	2,759	2,097
Resource Industries | Reportable Segments | Segment Reconciling Items
Sales and revenues by geographic region
Sales and revenues	71	81
Resource Industries | North America | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	1,018	657
Resource Industries | Latin America | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	399	405
Resource Industries | EAME | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	594	474
Resource Industries | Asia/Pacific | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	748	561
Energy & Transportation
Sales and revenues by geographic region
Sales and revenues	4,032	3,658
Energy & Transportation | Reportable Segments
Sales and revenues by geographic region
Sales and revenues	5,038	4,507
Energy & Transportation | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	4,032	3,658
Energy & Transportation | Reportable Segments | Segment Reconciling Items
Sales and revenues by geographic region
Sales and revenues	1,006	849
Energy & Transportation | North America | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	1,938	1,782
Energy & Transportation | Latin America | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	310	256
Energy & Transportation | EAME | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	1,184	1,093
Energy & Transportation | Asia/Pacific | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	600	527
Financial Products Segment
Sales and revenues by geographic region
Revenue from Related Parties	100	84
Financial Products Segment | Reportable Segments
Sales and revenues by geographic region
Sales and revenues	783	761
Financial Products Segment | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	783	761
Financial Products Segment | Reportable Segments | Segment Reconciling Items
Sales and revenues by geographic region
Sales and revenues	0	0
Financial Products Segment | North America | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	503	476
Financial Products Segment | Latin America | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	73	62
Financial Products Segment | EAME | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	96	100
Financial Products Segment | Asia/Pacific | Reportable Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	111	123
All Other Operating Segments
Sales and revenues by geographic region
Sales and revenues	118	130
All Other Operating Segments | Operating Segments
Sales and revenues by geographic region
Sales and revenues	39	38
All Other Operating Segments | Segment Reconciling Items
Sales and revenues by geographic region
Sales and revenues	79	92
All Other Operating Segments | North America | Operating Segments
Sales and revenues by geographic region
Sales and revenues	18	13
All Other Operating Segments | Latin America | Operating Segments
Sales and revenues by geographic region
Sales and revenues	0	0
All Other Operating Segments | EAME | Operating Segments
Sales and revenues by geographic region
Sales and revenues	5	3
All Other Operating Segments | Asia/Pacific | Operating Segments
Sales and revenues by geographic region
Sales and revenues	$ 16	$ 22