Financial instruments - Summary of 10% Appreciation Against the Dollar of Main Currencies (Details) - 10% percentage appreciation - USD ($) $ in Millions |
12 Months Ended | |
---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
|
Sterling | ||
Disclosure Of Foreign Exchange Risk [Line Items] | ||
Increase/(decrease) in income before taxation | $ (270) | $ (168) |
Increase in net assets | 1,022 | 894 |
Euro | ||
Disclosure Of Foreign Exchange Risk [Line Items] | ||
Increase/(decrease) in income before taxation | (46) | 124 |
Increase in net assets | 2,434 | 1,486 |
Malaysian ringgit | ||
Disclosure Of Foreign Exchange Risk [Line Items] | ||
Increase/(decrease) in income before taxation | 49 | 65 |
Increase in net assets | 279 | 313 |
Australian dollar | ||
Disclosure Of Foreign Exchange Risk [Line Items] | ||
Increase/(decrease) in income before taxation | (129) | (65) |
Increase in net assets | 780 | 837 |
Canadian dollar | ||
Disclosure Of Foreign Exchange Risk [Line Items] | ||
Increase/(decrease) in income before taxation | 9 | (44) |
Increase in net assets | $ 1,392 | $ 1,575 |