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Commitments and contingencies - Additional Information (Details) - USD ($) | Apr. 21, 2021 | Dec. 31, 2021 | Dec. 31, 2020
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Product Warranty Liability [Line Items] |  |  |
Loss contingency |  | $ 0 | $ 0
Fcx Solar Llc [Member] |  |  |
Product Warranty Liability [Line Items] |  |  |
Damages sought value | $ 134,000,000 |  |

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