Commitments and Contingencies (Details)									1 Months Ended	3 Months Ended		6 Months Ended		69 Months Ended
	Sep. 30, 2023 multiplier	Jan. 19, 2023 USD ($)	Jan. 04, 2023 USD ($)	May 02, 2022 USD ($) numberOfClaim patent coinventor	Feb. 28, 2022 USD ($)	Jun. 08, 2021 USD ($)	May 24, 2021 USD ($)	May 13, 2021 USD ($)	Jan. 31, 2014 USD ($)	Sep. 29, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 29, 2023 USD ($) lawsuit	Sep. 30, 2022 USD ($)	Sep. 30, 2012 USD ($)	Jan. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Loss contingency, number of patent, claim				6								3
Litigation settlement payment			$ 12,000,000			$ 70,000,000	$ 70,000,000
Number of coinventors | coinventor				2
Loss contingency, insurance recoveries						$ 67,000,000
Net revenues										$ 948,000,000	$ 748,000,000	$ 1,894,000,000	$ 1,455,000,000
U.S.
Loss Contingencies [Line Items]
Value of damages awarded		$ 1,300,000
Net revenues										562,000,000	$ 493,000,000	1,127,000,000	$ 972,000,000
California
Loss Contingencies [Line Items]
Value of damages awarded		$ 400,000
322 Patents Remained in Suit
Loss Contingencies [Line Items]
Loss contingency, pending claims, number | numberOfClaim				2
115 Patents Remained in Suit
Loss Contingencies [Line Items]
Loss contingency, pending claims, number | numberOfClaim				3
Trustees of the University of Columbia in the City of New York v. NortonLifeLock
Loss Contingencies [Line Items]
Litigation settlement payment				$ 185,000,000
Value of damages awarded				$ 0
Estimated loss (low end)										$ 576,000,000		$ 576,000,000
Trustees of the University of Columbia in the City of New York v. NortonLifeLock | Subsequent Event
Loss Contingencies [Line Items]
Multiplier | multiplier	2.6
GSA Schedule Contract
Loss Contingencies [Line Items]
Litigation settlement payment					$ 5,000,000			$ 500,000
Estimated loss (low end)															$ 1,400,000
Net revenues														$ 222,000,000
Estimated damage									$ 145,000,000
GSA Schedule Contract | Minimum
Loss Contingencies [Line Items]
Estimated litigation payment as times of actual damages proven															1
GSA Schedule Contract | Maximum
Loss Contingencies [Line Items]
Estimated litigation payment as times of actual damages proven															3