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Material accounting policies - Schedule of Intangible Assets with Indefinite Useful Life (Details)	12 Months Ended
	Dec. 31, 2024
ERP management reporting software system | Bottom of range
Disclosure of joint ventures [line items]
Estimated useful life (in years)	5 years
ERP management reporting software system | Top of range
Disclosure of joint ventures [line items]
Estimated useful life (in years)	7 years
Internally generated fuel cell intangible assets | Bottom of range
Disclosure of joint ventures [line items]
Estimated useful life (in years)	3 years
Internally generated fuel cell intangible assets | Top of range
Disclosure of joint ventures [line items]
Estimated useful life (in years)	5 years

X

- Definition

Useful Lives Or Amortisation Rates, Intangible Assets Other Than Goodwill, Period

+ References

No definition available.

+ Details

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X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

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X

- Details

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X

- Details

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