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Divestitures (Fiscal 2016 Divestiture) (Details) - Discontinued operations, disposed of by sale - Welkin Associates Limited
$ in Millions
Apr. 27, 2015
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Proceeds for sale of business $ 34
Gain (loss) on sale of business 22
Net assets divested 10
Goodwill, net 7
Transaction costs $ 2