SEGMENT REPORTING - Comparative Information (Details) - USD ($) $ in Millions	12 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Segment reporting information
Net sales	$ 24,124.0	$ 24,210.0	$ 26,211.0
Income before income taxes	714.0	159.0	182.0
Intangible amortization	61.8	64.1	74.4
Stock-based compensation	79.0	71.0	76.0
Restructuring charges	101.0	216.4	113.0
Interest, net	148.0	174.0	175.0
Other charges (income), net	(67.0)	82.0	120.0
Operating segments
Segment reporting information
Net sales	24,124.0	24,210.0	26,211.0
Income before income taxes	1,031.0	898.0	872.0
Segment Reconciling Items
Segment reporting information
Income before income taxes	714.0	159.0	182.0
Intangible amortization	62.0	64.0	74.0
Stock-based compensation	79.0	71.0	76.0
Customer related asset impairments (recoveries)	(7.0)	106.0	87.0
Restructuring charges	101.0	216.0	113.0
New revenue standard adoption impact	0.0	0.0	9.0
Legal and other	1.0	26.0	36.0
Interest, net	148.0	174.0	175.0
Other charges (income), net	(67.0)	82.0	120.0
FAS
Segment reporting information
Net sales	13,493.0	14,053.0	16,855.0
FAS \| Operating segments
Segment reporting information
Net sales	13,493.0	14,053.0	16,855.0
Income before income taxes	449.0	369.0	442.0
FRS
Segment reporting information
Net sales	10,631.0	10,157.0	9,356.0
FRS \| Operating segments
Segment reporting information
Net sales	10,631.0	10,157.0	9,356.0
Income before income taxes	662.0	642.0	534.0
Corporate and Other \| Operating segments
Segment reporting information
Income before income taxes	$ (80.0)	$ (113.0)	$ (104.0)

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