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Commitments and Contingencies (Details) - USD ($) $ in Millions |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended | 69 Months Ended
--- | --- | --- | --- | --- | --- | ---
Oct. 21, 2019 | Jan. 31, 2014 | Oct. 02, 2020 | Oct. 04, 2019 | Oct. 02, 2020 | Oct. 04, 2019 | Apr. 03, 2020 | Sep. 30, 2012
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Purchase Obligation |  |  | $ 465 |  | $ 465 |  |  |
Transition tax on untaxed foreign earnings |  |  | 599 |  | 599 |  |  |
Net revenues |  |  | 626 | $ 608 | 1,240 | $ 1,258 |  |
GSA Schedule Contract |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Net revenues |  |  |  |  |  |  |  | $ 222
Estimated damage | $ 1,090 | $ 145 |  |  |  |  |  |
GSA Schedule Contract | Minimum |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Estimated loss |  |  | $ 50 |  | $ 50 |  |  |
Avila v.LifeLock et al |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Charges related to litigation settlement |  |  |  |  |  |  | $ 20 |

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