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Significant accounting policies - Schedule of Intangible Assets with Indefinite Useful Life (Details) | 12 Months Ended
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Dec. 31, 2022
Acquired patents, know-how and in-process research & development | Bottom of range |
Disclosure of joint ventures [line items] |
Intangibles, useful life (in years) | 5 years
Acquired patents, know-how and in-process research & development | Top of range |
Disclosure of joint ventures [line items] |
Intangibles, useful life (in years) | 20 years
ERP management reporting software system | Bottom of range |
Disclosure of joint ventures [line items] |
Intangibles, useful life (in years) | 5 years
ERP management reporting software system | Top of range |
Disclosure of joint ventures [line items] |
Intangibles, useful life (in years) | 10 years
Acquired customer contracts and relationships | Bottom of range |
Disclosure of joint ventures [line items] |
Intangibles, useful life (in years) | 7 years
Acquired customer contracts and relationships | Top of range |
Disclosure of joint ventures [line items] |
Intangibles, useful life (in years) | 10 years
Acquired non-compete agreements | Bottom of range |
Disclosure of joint ventures [line items] |
Intangibles, useful life (in years) | 1 year
Acquired non-compete agreements | Top of range |
Disclosure of joint ventures [line items] |
Intangibles, useful life (in years) | 3 years
Domain names |
Disclosure of joint ventures [line items] |
Intangibles, useful life (in years) | 15 years
Acquired trademarks and service marks |
Disclosure of joint ventures [line items] |
Intangibles, useful life (in years) | 15 years
Internally generated fuel cell intangible assets | Bottom of range |
Disclosure of joint ventures [line items] |
Intangibles, useful life (in years) | 3 years
Internally generated fuel cell intangible assets | Top of range |
Disclosure of joint ventures [line items] |
Intangibles, useful life (in years) | 5 years

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