Divestiture and Discontinued Operations (Schedule of Carrying Amounts of Net Assets Sold) (Details) - USD ($) $ in Millions	Jan. 03, 2020	Nov. 04, 2019	Mar. 29, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets	$ 8		$ 149
Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Current assets	2		149
Intangible assets, net	0		1,048
Goodwill	0		5,773
Other long-term assets	6		229
Current contract liabilities	(10)		(1,288)
Other current liabilities	(3)		(16)
Long-term contract liabilities	(5)		(709)
Other long-term liabilities	$ (3)		$ (6)
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		$ 157
Intangible assets, net		934
Goodwill		5,773
Other long-term assets		252
Current contract liabilities		(1,200)
Other current liabilities		(28)
Long-term contract liabilities		(629)
Other long-term liabilities		(34)
Total net assets sold		$ 5,225