Intangible Assets and Goodwill (Details 2) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Changes in carrying amount of goodwill by reportable segment:
Goodwill, beginning of period	$ 7,521
Impairments, beginning of period	(1,197)
Net goodwill, beginning of period	6,324
Goodwill impairment charge	0	$ 0
Other adjustments	(31)
Goodwill, end of period	7,490
Impairments, end of period	(1,197)
Net goodwill, end of period	6,293
Construction Industries
Changes in carrying amount of goodwill by reportable segment:
Goodwill, beginning of period	302
Impairments, beginning of period	(22)
Net goodwill, beginning of period	280
Other adjustments	(9)
Goodwill, end of period	293
Impairments, end of period	(22)
Net goodwill, end of period	271
Resource Industries
Changes in carrying amount of goodwill by reportable segment:
Goodwill, beginning of period	4,182
Impairments, beginning of period	(1,175)
Net goodwill, beginning of period	3,007
Other adjustments	2
Goodwill, end of period	4,184
Impairments, end of period	(1,175)
Net goodwill, end of period	3,009
Energy & Transportation
Changes in carrying amount of goodwill by reportable segment:
Goodwill, beginning of period	2,985
Other adjustments	(22)
Goodwill, end of period	2,963
All Other Operating Segments
Changes in carrying amount of goodwill by reportable segment:
Goodwill, beginning of period	52
Other adjustments	(2)
Goodwill, end of period	$ 50