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Inventories - Summary of Inventories (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Inventories other than work in progress
Inventories stated at net realizable value	$ 368	$ 214
Current Inventories [member]
Disclosure of inventories [line items]
Prepayments	115	92
Raw materials and consumables	3,072	2,499
Work in progress	451	439
Finished goods	1,537	1,256
Goods purchased for resale	224	197
Inventories	$ 5,399	$ 4,482

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Disclosure of inventories [line items]

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Raw and packaging materials and goods purchased for resale.

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A classification of current inventory representing the amount of goods that have completed the production process and are held for sale in the ordinary course of business. [Refer: Inventories]

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The amount of assets: (a) held for sale in the ordinary course of business; (b) in the process of production for such sale; or (c) in the form of materials or supplies to be consumed in the production process or in the rendering of services. Inventories encompass goods purchased and held for resale including, for example, merchandise purchased by a retailer and held for resale, or land and other property held for resale. Inventories also encompass finished goods produced, or work in progress being produced, by the entity and include materials and supplies awaiting use in the production process. [Refer: Current finished goods; Current merchandise; Current work in progress; Land]

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Receivables that represent amounts paid for goods and services before they have been delivered.

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The amount of raw materials and consumables used in the production process or in the rendering of services. [Refer: Current raw materials]

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