SEGMENT INFORMATION - Reconciliation of Adjusted EBIT to Net Income for Industrial Activities (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 16, 2018	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Net income (loss)		$ 710	$ 552	$ 1,196	$ 888
Income tax (expense) benefit		(192)	(228)	(365)	(387)
Restructuring expense of Industrial Activities		(2)	(6)	(3)	(8)
Income (loss) before taxes		902	780	1,561	1,275
Amortization period of retirement benefits payable	4 years 6 months					4 years
Reduction of plan liability	$ 527					$ 100
Unallocated items, eliminations and other
Segment Reporting Information [Line Items]
Total Adjusted EBIT of Industrial Activities		(71)	(43)	(130)	(72)
Industrial Activities | Operating segments
Segment Reporting Information [Line Items]
Total Adjusted EBIT of Industrial Activities		822	654	1,377	1,083
Interest expense of Industrial Activities, net of interest income and eliminations		(22)	(35)	(26)	(70)
Foreign exchange gains (losses), net of Industrial Activities		0	13	(6)	0
Finance and non-service component of Pension and other post-employment benefit cost of Industrial Activities		1	40	2	77
Restructuring expense of Industrial Activities		(2)	(6)	(3)	(8)
Other discrete items of Industrial Activities		(17)	(19)	(10)	(58)
Loss from sale of business, held for sale		17	16	23	8
Gain in relation to fair value measurement				13
Separation costs			3		6
Asset write-downs					44
Industrial Activities | Operating segments | 2021 Modification of Healthcare Plan
Segment Reporting Information [Line Items]
Pre-tax gain from amortization of benefits modification		6	6	$ 12	12
Amortization period of retirement benefits payable				4 years
Reduction of plan liability				$ 101
Industrial Activities | Operating segments | 2018 Modification of Healthcare Plan
Segment Reporting Information [Line Items]
Pre-tax gain from amortization of benefits modification			30		60
Agriculture | Operating segments
Segment Reporting Information [Line Items]
Total Adjusted EBIT of Industrial Activities		821	663	1,391	1,089
Construction | Operating segments
Segment Reporting Information [Line Items]
Total Adjusted EBIT of Industrial Activities		72	34	116	66
Financial Services | Operating segments
Segment Reporting Information [Line Items]
Net income (loss)		94	95	172	177
Income tax (expense) benefit		$ 26	$ 38	$ 55	$ 74