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Inventories (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure Of Inventories [Abstract]

Summary of inventories


			2021 US$m			2020 US$m
Raw materials and purchased components			870			640
Consumable stores			1,142			1,050
Work in progress			1,736			1,288
Finished goods and goods for resale			1,884			1,113
Total inventories			5,632			4,091
Comprising:
Expected to be used within one year			5,436			3,917
Expected to be used after more than one year			196			174
Total inventories			5,632			4,091