Inventories (Details Narrative) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Notes and other explanatory information [abstract]
Cost of sales to net realizable value	$ 7	$ 44
Estimated amount	$ 818		$ 761

The amount recognised as a reduction in the amount of inventories recognised as an expense due to the reversal of any write-down of inventories resulting from an increase in net realisable value. [Refer: Inventories; Inventory write-down]

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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