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Condensed Consolidated Statements of Cash Flows - additional details - Change in net current assets and other operating cash flow items (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash Flow Statement [Abstract]
(Increase) in inventories	$ (107)	$ (71)
(Increase) in trade receivables	(165)	(116)
Increase in trade payables	108	72
Net change in other operating assets	(31)	(3)
Net change in other operating liabilities	(131)	(198)
Total	$ (326)	$ (316)

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- Definition

Cash Flow Statement [Abstract]

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Change In Net Current Assets And Other Operating Cash Flow Items

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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)]

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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 and other payables to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Trade and other payables; Profit (loss)]

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