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Financial Assets at FVPL - Additional Information (Detail) ₱ in Millions, $ in Millions | Oct. 25, 2021 USD ($) | Oct. 25, 2021 PHP (₱) | Feb. 27, 2018 USD ($) | Sep. 03, 2015 USD ($) | Mar. 15, 2019 USD ($) | Dec. 18, 2015 USD ($) | Sep. 04, 2015 USD ($)
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Disclosure Of Financial Assets [Line Items] |  |  |  |  |  |  |
Percentage of subscribed promissory note in associate |  |  |  | 8.00% |  |  |
Amount of subscribed promissory note issued by associate |  |  |  | $ 5.0 |  |  |
Convertible promissory note payable |  |  |  |  |  |  | $ 5.0
Phunware [Member] |  |  |  |  |  |  |
Disclosure Of Financial Assets [Line Items] |  |  |  |  |  |  |
Business combination enterprise value |  |  | $ 301.0 |  |  |  |
Preferred shares conversion ratio |  |  | 100.00% |  |  |  |
Amount of total consideration paid for common shares purchase |  |  |  |  | $ 1.6 |  |
Aggregate amount against shares sold | $ 9.5 | ₱ 482 |  |  |  |  |
Gain on fair value changes | ₱ |  | 306 |  |  |  |  |
Gain on sales of common shares | ₱ |  | ₱ 115 |  |  |  |  |
Phunware [Member] | Series F Preferred Shares [Member] |  |  |  |  |  |  |
Disclosure Of Financial Assets [Line Items] |  |  |  |  |  |  |
Amount of total consideration of preferred shares subscribed |  |  |  |  |  | $ 3.0 |

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