v3.25.2
Inventories
12 Months Ended
Dec. 31, 2023
Subclassifications of assets, liabilities and equities [abstract]  
Inventories Inventories
$ million
Dec 31, 2023Dec 31, 2022
Oil, gas and chemicals22,23227,823
Environmental certificates2,1082,557
Materials1,6791,514
Total26,01931,894
Inventories at December 31, 2023, included write-downs to net realisable value of $1,567 million (2022: $2,705 million).