Commitments and Contingencies (Details)										1 Months Ended	3 Months Ended		9 Months Ended		69 Months Ended
	Jan. 16, 2024 USD ($)	Sep. 30, 2023 multiplier	Jan. 19, 2023 USD ($)	Jan. 04, 2023 USD ($)	May 02, 2022 USD ($) patent numberOfClaim coinventor	Feb. 28, 2022 USD ($)	Jun. 08, 2021 USD ($)	May 24, 2021 USD ($)	May 13, 2021 USD ($)	Jan. 31, 2014 USD ($)	Dec. 29, 2023 USD ($)	Dec. 30, 2022 USD ($)	Dec. 29, 2023 USD ($) lawsuit	Dec. 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											$ 951,000,000	$ 936,000,000	$ 2,845,000,000	$ 2,391,000,000
U.S.
Loss Contingencies [Line Items]
Value of damages awarded			$ 1,300,000
Net revenues											563,000,000	$ 537,000,000	1,690,000,000	$ 1,509,000,000
U.S. | Subsequent Event
Loss Contingencies [Line Items]
Value of damages awarded	$ 53,000,000
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
Multiplier | multiplier		2.6
Estimated loss (low end)											$ 580,000,000		$ 580,000,000			$ 53,000,000
GSA Schedule Contract
Loss Contingencies [Line Items]
Litigation settlement payment						$ 5,000,000			$ 500,000
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