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Provisions and other non-current liabilities (Details 2) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Environmental provision, fiscal year maturity [abstract] |  |  |  |
Due within two years | $ 128 |  |  |
Due later than two years, but within five years | 163 |  |  |
Due later than five years, but within ten years | 251 |  |  |
Due after ten years | 46 |  |  |
Total environmental remediation liability provisions | $ 588 | $ 616 | $ 809 | $ 714

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- References No definition available. + Details
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Balance Type: | credit
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