SEGMENT INFORMATION - Reconciliation of Adjusted EBIT to Net Income for Industrial Activities (Details) - USD ($) $ in Millions		3 Months Ended		12 Months Ended
	Apr. 16, 2018	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Net income (loss)		$ 486.0	$ 336.0
Income tax (expense) benefit		(173.0)	(159.0)
Restructuring expense of Industrial Activities		(1.0)	(2.0)
Income (loss) before taxes		659.0	495.0
Pre-tax gain from amortization of benefits modification		6.0	6.0
Amortization period of retirement benefits payable	4 years 6 months			4 years
Reduction of plan liability	$ 527.0			$ 100.0
Unallocated items, eliminations and other
Segment Reporting Information [Line Items]
Total Adjusted EBIT of Industrial Activities		(59.0)	(29.0)
Industrial Activities | Operating segments
Segment Reporting Information [Line Items]
Total Adjusted EBIT of Industrial Activities		555.0	429.0
Interest expense of Industrial Activities, net of interest income and eliminations		(4.0)	(35.0)
Foreign exchange gains (losses), net of Industrial Activities		(6.0)	(13.0)
Finance and non-service component of Pension and other post-employment benefit cost of Industrial Activities		1.0	38.0
Restructuring expense of Industrial Activities		(1.0)	(2.0)
Other discrete items of Industrial Activities		7.0	(40.0)
Gain in relation to fair value measurement		13.0
Loss from sale of business, held for sale		6.0
Asset write-downs			44.0
Separation costs			3.8
Gain from sale of business, held for sale			7.8
Industrial Activities | Operating segments | 2018 Modification of Healthcare Plan
Segment Reporting Information [Line Items]
Pre-tax gain from amortization of benefits modification		$ 0.0	$ 30.0
Industrial Activities | Operating segments | 2021 Modification of Healthcare Plan
Segment Reporting Information [Line Items]
Amortization period of retirement benefits payable		4 years	4 years
Reduction of plan liability		$ 101.0	$ 101.0
Agriculture | Operating segments
Segment Reporting Information [Line Items]
Total Adjusted EBIT of Industrial Activities		570.0	426.0
Construction | Operating segments
Segment Reporting Information [Line Items]
Total Adjusted EBIT of Industrial Activities		44.0	32.0
Financial Services | Operating segments
Segment Reporting Information [Line Items]
Net income (loss)		78.0	82.0
Income tax (expense) benefit		$ 29.0	$ 36.0