Acquisitions and Divestitures (Additional Information - Pending Divestitures) (Details) $ in Millions	Oct. 24, 2015 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill	$ 557
Client premises equipment portion of SPV connected devices BU [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale Considerations (Cash and Stock)	600
Goodwill	150
Client premises equipment portion of SPV connected devices BU [Member] | Tangible assets including Inventories
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Tangible assets held for sale	100
Client premises equipment portion of SPV connected devices BU [Member] | Inventories
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Tangible assets held for sale	80
Client premises equipment portion of SPV connected devices BU [Member] | Supply chain-related liabilities, warranties, rebates and other accruals
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Accrued Liabilities	$ 120