XML 294 R132.htm IDEA: XBRL DOCUMENT v3.22.0.1
Inventories - Summary of Inventories (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Current raw materials and current production supplies [abstract]    
Raw materials $ 1,737 $ 1,403
Work-in-progress [1] 136 144
Finished goods 1,738 1,570
Total inventories at the lower of cost and net realisable value $ 3,611 $ 3,117
[1] Work-in-progress includes $9 million (2020: $9 million) in respect of the cumulative costs incurred, net of amounts transferred to cost of sales under percentage-of-completion accounting, for construction contracts in progress at the balance sheet date.