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Divestitures (Fiscal 2016 Divestiture) (Details) - Welkin Associates Limited - Discontinued Operations, Disposed of by Sale
$ in Millions
Apr. 27, 2015
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Amount of cash consideration received $ 34
Net gain on disposition of business 22
Net assets distributed 10
Goodwill, net 7
Transaction costs $ 2