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Consolidated statement of cash flows - additional details - Change in net current assets and other operating cash flow items (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash Flow Statement [Abstract]
(Increase) in inventories	$ (217)	$ (326)	$ (159)
(Increase)/decrease in trade receivables	(164)	(198)	43
(Decrease)/increase in trade payables	(48)	60	(21)
Net change in other operating assets	(63)	(24)	127
Net payments out of provisions and other cash movements in non-current liabilities	(30)	174	(35)
Total	$ (522)	$ (314)	$ (45)

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- Definition

Cash Flow Statement [Abstract]

+ References

No definition available.

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Adjustments for decrease (increase) in inventories to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Inventories; Profit (loss)]

+ References

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Adjustments for decrease (increase) in other assets to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other assets; Profit (loss)]

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Adjustments for increase (decrease) in other liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other liabilities; Profit (loss)]

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Adjustments for increase (decrease) in trade accounts payable to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)]

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The increase (decrease) in working capital.

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