v3.25.2
Financial Instruments - Summary of Contractual Maturities of Significant Financial Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2025
Mar. 31, 2024
Disclosure Of Financial Instruments [Line Items]    
Trade payables $ 487 $ 474
Financial liability under option arrangements on an undiscounted basis (Refer to Note 2.5) 89 83
Liability towards contingent consideration on an undiscounted basis (Refer to Note 2.5) 4  
Other financial liabilities on an undiscounted basis (Refer to Note 2.5) 1,932  
Other financial liabilities (excluding liabilities towards contingent consideration) on an undiscounted basis (Refer to Note 2.5)   1,891
Less Than 1 Year    
Disclosure Of Financial Instruments [Line Items]    
Trade payables 487 474
Financial liability under option arrangements on an undiscounted basis (Refer to Note 2.5) 72 67
Liability towards contingent consideration on an undiscounted basis (Refer to Note 2.5) 2  
Other financial liabilities on an undiscounted basis (Refer to Note 2.5) 1,709  
Other financial liabilities (excluding liabilities towards contingent consideration) on an undiscounted basis (Refer to Note 2.5)   1,657
1-2 Years    
Disclosure Of Financial Instruments [Line Items]    
Liability towards contingent consideration on an undiscounted basis (Refer to Note 2.5) 2  
Other financial liabilities on an undiscounted basis (Refer to Note 2.5) 205  
Other financial liabilities (excluding liabilities towards contingent consideration) on an undiscounted basis (Refer to Note 2.5)   158
2-4 Years    
Disclosure Of Financial Instruments [Line Items]    
Financial liability under option arrangements on an undiscounted basis (Refer to Note 2.5) 17  
Other financial liabilities on an undiscounted basis (Refer to Note 2.5) 17  
Other financial liabilities (excluding liabilities towards contingent consideration) on an undiscounted basis (Refer to Note 2.5)   68
4-7 Years    
Disclosure Of Financial Instruments [Line Items]    
Financial liability under option arrangements on an undiscounted basis (Refer to Note 2.5)   16
Other financial liabilities on an undiscounted basis (Refer to Note 2.5) $ 1  
Other financial liabilities (excluding liabilities towards contingent consideration) on an undiscounted basis (Refer to Note 2.5)   $ 8