SEGMENT REPORTING - Geographic Information of Net Sales (Countries Accounting for More Than 10% of Net Sales) (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Segment reporting information
Net sales	$ 24,124	$ 24,210	$ 26,211
Operating segments
Segment reporting information
Net sales	24,124	24,210	26,211
Operating segments | China
Segment reporting information
Net sales	$ 6,147	$ 5,665	$ 6,649
Operating segments | China | Net sales
Segment reporting information
Concentration risk percentage	25.00%	23.00%	25.00%
Operating segments | Mexico
Segment reporting information
Net sales	$ 4,413	$ 4,449	$ 4,539
Operating segments | Mexico | Net sales
Segment reporting information
Concentration risk percentage	18.00%	18.00%	17.00%
Operating segments | U.S.
Segment reporting information
Net sales	$ 3,648	$ 3,719	$ 3,106
Operating segments | U.S. | Net sales
Segment reporting information
Concentration risk percentage	15.00%	15.00%	12.00%