Description Of Business And Basis Of Presentation New Lease Standard Balance Sheet at Period Start (Details) - USD ($) $ in Millions	Jun. 30, 2020	Mar. 31, 2020	[1]
Item Effected [Line Items]
Other current assets	$ 223	$ 321
Other assets	313	305
Accrued Liabilities, Current	1,040	1,052
Other liabilities	$ 224	$ 216

[1] Derived from audited Consolidated Financial Statements.