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Litigation and Contingencies (Details) $ in Millions |  |  |  |  |  |  |  | 1 Months Ended | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 26, 2025 lawsuit | Aug. 08, 2025 lawsuit | Jul. 22, 2025 USD ($) | Jan. 24, 2013 USD ($) | Dec. 11, 2012 USD ($) | Apr. 21, 2012 USD ($) | May 10, 2010 USD ($) employee | Feb. 29, 2024 USD ($) | Oct. 31, 2020 patent | Sep. 30, 2020 patent | Jul. 31, 2025 patent | Dec. 31, 2015 subsidiary employee | Apr. 20, 2012 USD ($) | Apr. 11, 2012 USD ($)
Litigation and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate damages sought |  |  |  |  |  |  |  | $ 4,000 |  |  |  |  |  |
Loss contingency, damages awarded, value |  |  | $ 740 |  |  |  |  |  |  |  |  |  |  |
Philips Patent Litigation |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patents allegedly infringed | patent |  |  |  |  |  |  |  |  |  | 4 |  |  |  |
Patents withdrawn | patent |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
Wilus |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patents allegedly infringed | patent |  |  |  |  |  |  |  |  |  |  | 3 |  |  |
Philips | Subsequent event |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |
Patents allegedly infringed | lawsuit | 2 | 3 |  |  |  |  |  |  |  |  |  |  |  |
Number of patents, seeking damages and product recall | lawsuit |  | 2 |  |  |  |  |  |  |  |  |  |  |  |
India Directorate of Revenue Intelligence Proceedings |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of current employees | employee |  |  |  |  |  |  | 7 |  |  |  |  |  |  |
Number of former employee | employee |  |  |  |  |  |  | 1 |  |  |  |  |  |  |
Aggregate damages sought |  |  |  |  |  |  | $ 370 |  |  |  |  |  |  |
Loss contingency deposit to prevent interruption of business |  |  |  |  |  |  | $ 16 |  |  |  |  |  |  |
Duties and penalties under show cause notices |  |  |  |  |  |  |  |  |  |  |  |  | $ 17 | $ 386
Amount deposited under show cause notice prior to order |  |  |  |  |  |  |  |  |  |  |  |  | $ 7 | $ 9
Additional amount deposited against products-related show cause notice |  |  |  |  | $ 10 |  |  |  |  |  |  |  |  |
Additional amount deposited against parts-related show cause notice |  |  |  |  |  | $ 3 |  |  |  |  |  |  |  |
Additional amount deposited against product order |  |  |  | $ 24 |  |  |  |  |  |  |  |  |  |
Autonomy-Related Legal Matters | Autonomy |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation and Contingencies |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of subsidiaries | subsidiary |  |  |  |  |  |  |  |  |  |  |  | 4 |  |
Number of members | employee |  |  |  |  |  |  |  |  |  |  |  | 2 |  |

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