XML 71 R69.htm IDEA: XBRL DOCUMENT v3.20.1
Divestitures - Narrative (Details) - Discontinued Operations, Disposed of by Means Other than Sale, Spinoff - USD ($)
12 Months Ended
May 31, 2018
Mar. 31, 2020
Mar. 31, 2019
USPS Separation, IT Services Agreement      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Revenue   $ 39,000,000  
USPS Separation      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Revenue   $ 431,000,000 $ 2,823,000,000
Amount of cash consideration received $ 984,000,000    
Transaction consideration 1,050,000,000    
Debt assumed 66,000,000    
Gain (loss) on disposition $ 0