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Commitments and Contingencies - Additional Information (Details) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 Months Ended | 12 Months Ended | 63 Months Ended
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Jun. 22, 2021 patent | May 11, 2021 patent | Mar. 10, 2021 patent | Feb. 26, 2021 patent | Oct. 05, 2020 USD ($) patent | May 13, 2020 patent | Apr. 30, 2020 patent | Apr. 01, 2020 USD ($) | Feb. 05, 2020 subsidiary | Jan. 21, 2020 patent | Jul. 17, 2019 USD ($) | Jun. 12, 2019 patent | Feb. 13, 2018 patent | May 25, 2017 USD ($) | May 12, 2016 USD ($) | Sep. 04, 2013 patent | Aug. 25, 2020 patent customer | Jul. 31, 2021 USD ($) | Jul. 25, 2020 USD ($) | Jul. 27, 2019 USD ($) | Jul. 31, 2021 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Provision for purchase commitment liability |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 76,000,000 | $ 139,000,000 | $ 95,000,000 |
Future compensation expense & contingent consideration (up to) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 719,000,000 |  |  | $ 719,000,000
Commitments and contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Volume of channel partner financing |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26,700,000,000 | 26,900,000,000 | 29,600,000,000 |
Balance of the channel partner financing subject to guarantees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,300,000,000 | 1,100,000,000 |  | 1,300,000,000
Financing provided by third parties for leases and loans related to end users on which the Company has provided guarantees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000,000 | 9,000,000 | $ 14,000,000 |
Brazilian Tax Authority | Tax years 2003 through 2007 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax examination, tax |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 155,000,000 |  |  |
Income tax examination, interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 771,000,000 |  |  |
Income tax examination, penalties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 384,000,000 |  |  |
Huawei | Pending Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of entities requesting indemnification | subsidiary |  |  |  |  |  |  |  |  | 7 |  |  |  |  |  |  |  |  |  |  |  |
Estech | Pending Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of entities requesting indemnification | customer |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7 |  |  |  |
Number of allegedly infringed patents (patent) | patent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |
SRI International |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages awarded, value |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 24,000,000 |  |  |  |  |  |
SRI International | Pending Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of allegedly infringed patents (patent) | patent |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
Damages awarded, value |  |  |  |  |  |  |  | $ 8,000,000 |  |  |  |  |  | $ 57,000,000 |  |  |  |  |  |  |
Percentage of royalty awarded |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.50% |  |  |  |  |  |  |
Damages paid, value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 28,000,000
Centripetal | Pending Litigation | Patent Infringement | U.S. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of allegedly infringed patents (patent) | patent |  |  |  |  |  |  |  |  |  |  |  |  | 11 |  |  |  |  |  |  |  |
Damages awarded, value |  |  |  |  | $ 1,900,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of allegedly infringed patents, petitioned (patent) | patent |  |  |  |  |  |  |  |  |  |  |  |  | 9 |  |  |  |  |  |  |  |
Number of allegedly infringed patents, unpatentable (patent) | patent |  | 4 | 3 |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |  |  |  |
Number of patents found infringed (patent) | patent |  |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages awarded, initial value |  |  |  |  | $ 756,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages awarded, enhanced damages for willful infringement |  |  |  |  | 1,100,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages awarded, pre-judgement interest |  |  |  |  | $ 14,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty awarded against revenue, first three-year term, percentage |  |  |  |  | 10.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Royalty awarded against revenue, second three-year term, percentage |  |  |  |  | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Centripetal | Pending Litigation | Patent Infringement | European |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of allegedly infringed patents (patent) | patent | 1 |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Centripetal | Pending Litigation | Patent Infringement | German |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of allegedly infringed patents (patent) | patent | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Centripetal | Pending Litigation | Patent Infringement, IPR Proceedings | U.S. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of allegedly infringed patents (patent) | patent |  |  |  |  |  |  |  |  |  |  |  |  | 6 |  |  |  |  |  |  |  |
Centripetal | Pending Litigation | Patent Infringement, Patent Trial and Appeal Board | U.S. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of allegedly infringed patents (patent) | patent |  |  |  |  |  |  |  |  |  |  |  |  | 7 |  |  |  |  |  |  |  |
Centripetal | Pending Litigation | Patent Infringement, Not subject to IPR Proceedings | U.S. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of allegedly infringed patents (patent) | patent |  |  |  |  |  |  |  |  |  |  |  |  | 5 |  |  |  |  |  |  |  |
Ramot | Pending Litigation | Patent Infringement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of allegedly infringed patents (patent) | patent |  |  |  | 2 |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |
Monarch | Pending Litigation | Patent Infringement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of allegedly infringed patents (patent) | patent |  |  |  |  |  | 1 |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |
Viasat, Inc. | Pending Litigation | Contract claims |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages awarded, value |  |  |  |  |  |  |  |  |  |  | $ 49,000,000 |  |  |  |  |  |  |  |  |  |
Viasat, Inc. | Pending Litigation | Trade secret misappropriation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages awarded, value |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |
Viasat, Inc. | Pending Litigation | Counterclaim, contract and trade secret |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Damages awarded, value |  |  |  |  |  |  |  |  |  |  | $ 1 |  |  |  |  |  |  |  |  |  |
Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warranty period for products |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 90 days |  |  |
Channel partners revolving short-term financing payment term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60 days |  |  |
Minimum | Centripetal | Pending Litigation | Patent Infringement | U.S. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual royalty awarded against revenue, first three-year term |  |  |  |  | $ 168,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual royalty awarded against revenue, second three-year term |  |  |  |  | 84,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warranty period for products |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |
Channel partners revolving short-term financing payment term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 90 days |  |  |
End user lease and loan term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |
Maximum | Centripetal | Pending Litigation | Patent Infringement | U.S. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual royalty awarded against revenue, first three-year term |  |  |  |  | 300,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Annual royalty awarded against revenue, second three-year term |  |  |  |  | $ 150,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Non-marketable equity securities and equity method investments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 200,000,000 | 300,000,000 |  | 200,000,000
Inventory |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recorded Unconditional Purchase Obligation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 151,000,000 | $ 141,000,000 |  | $ 151,000,000

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