v3.24.1.1.u2
Financial Instruments - Schedule of Analysis of Foreign Currency Risk From Monetary Assets and Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Mar. 31, 2023
Disclosure Of Financial Instruments [Line Items]    
Net financial assets $ 10,200 $ 8,739
Net financial liabilities (3,439) (3,687)
Foreign Currency Risk    
Disclosure Of Financial Instruments [Line Items]    
Net financial assets 5,064 4,194
Net financial liabilities (2,283) (2,407)
Total 2,781 1,787
Foreign Currency Risk | U.S. Dollars    
Disclosure Of Financial Instruments [Line Items]    
Net financial assets 3,133 2,528
Net financial liabilities (1,430) (1,478)
Total 1,703 1,050
Foreign Currency Risk | Euro    
Disclosure Of Financial Instruments [Line Items]    
Net financial assets 1,146 908
Net financial liabilities (405) (454)
Total 741 454
Foreign Currency Risk | United Kingdom Pound Sterling    
Disclosure Of Financial Instruments [Line Items]    
Net financial assets 258 221
Net financial liabilities (85) (90)
Total 173 131
Foreign Currency Risk | Australian Dollars    
Disclosure Of Financial Instruments [Line Items]    
Net financial assets 177 220
Net financial liabilities (97) (116)
Total 80 104
Foreign Currency Risk | Other Currencies    
Disclosure Of Financial Instruments [Line Items]    
Net financial assets 350 317
Net financial liabilities (266) (269)
Total $ 84 $ 48