Divestiture and Discontinued Operations (Schedule of Carrying Amounts of Net Assets Sold) (Details) - USD ($) $ in Millions	Apr. 03, 2020	Nov. 04, 2019	Mar. 29, 2019	Oct. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets	$ 0		$ 149
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets			149
Intangible assets, net			1,048
Goodwill			5,773
Other long-term assets			229
Current contract liabilities			(1,288)
Other current liabilities			(16)
Long-term contract liabilities			(709)
Other long-term liabilities			(6)
Liabilities, net of other assets			$ (2,019)
WSS and PKI Solutions | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash and cash equivalents				$ 2
Goodwill and intangible assets, net				670
Liabilities, net of other assets				(222)
Total net assets sold				$ 450
Enterprise Security | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets		$ 158
Intangible assets, net		934
Goodwill		5,773
Other long-term assets		256
Current contract liabilities		(1,210)
Other current liabilities		(28)
Long-term contract liabilities		(634)
Other long-term liabilities		(38)
Total net assets sold		$ 5,211