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Business Combinations - Proposed merger with Avast (Details) | Jan. 28, 2022 USD ($) | Aug. 10, 2021 USD ($) $ / shares | Apr. 01, 2022 $ / shares | Jul. 13, 2021 $ / shares
--- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |
Share price (in dollars per share) | $ / shares |  |  | $ 26.94 | $ 27.20
Term Loan Interim Facility B |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Maximum borrowing capacity |  | $ 3,600,000,000 |  |
Interim Revolving Facility A1 |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Maximum borrowing capacity |  | 750,000,000 |  |
Term Loan Interim Facility A2 |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Maximum borrowing capacity |  | 3,500,000,000 |  |
Interim Revolving Facility |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Maximum borrowing capacity |  | 1,500,000,000 |  |
Line of Credit |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Line of credit facility increase | $ 500,000,000 |  |  |
Avast plc | Minimum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Merger, contingent consideration |  | 8,100,000,000 |  |
Avast plc | Maximum |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Merger, contingent consideration |  | 8,600,000,000 |  |
Potential merger agreement termination fee |  | $ 200,000,000 |  |
Avast plc | Cash Option |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Merger share price (in dollars per share) | $ / shares |  | $ 7.61 |  |
Share of our stock (in dollars per share) |  | 0.0302 |  |
Avast plc | Equity Option |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Merger share price (in dollars per share) | $ / shares |  | $ 2.37 |  |
Share of our stock (in dollars per share) |  | 0.1937 |  |

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