Restructuring and Other Costs - Restructuring Summary (Details) $ in Millions	9 Months Ended
	Dec. 31, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Non-Cash Items	$ (6)
December 2020 Plan
Restructuring Reserve [Roll Forward]
Beginning balance	3
Costs, Net of Adjustments	12
Cash Payments	(7)
Ending balance	2
December 2020 Plan | Severance and termination benefit costs
Restructuring Reserve [Roll Forward]
Beginning balance	3
Costs, Net of Adjustments	5
Cash Payments	(6)
Non-Cash Items	0
Ending balance	2
December 2020 Plan | Other exit and disposal costs
Restructuring Reserve [Roll Forward]
Beginning balance	0
Costs, Net of Adjustments	7
Cash Payments	(1)
Non-Cash Items	(6)
Ending balance	$ 0