v3.24.1.1.u2
Leases - Schedule of Changes in Carrying Value of Right of Use Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Disclosure Of Quantitative Information About Rightofuse Assets [Line Items]      
Beginning balance $ 837 $ 636 $ 656
Additions 274 [1] 436 [2] 123 [3]
Deletions (114) (51) (17)
Impairment (10)    
Depreciation (193) (147) (105)
Translation difference (8) (37) (21)
Ending balance 786 837 636
Land      
Disclosure Of Quantitative Information About Rightofuse Assets [Line Items]      
Beginning balance 76 83 86
Deletions (1)    
Depreciation (1) (1) (1)
Translation difference (2) (6) (2)
Ending balance 72 76 83
Buildings      
Disclosure Of Quantitative Information About Rightofuse Assets [Line Items]      
Beginning balance 474 489 545
Additions 47 [1] 107 [2] 60 [3]
Deletions (22) (5) (11)
Impairment (10)    
Depreciation (87) (84) (88)
Translation difference (6) (33) (17)
Ending balance 396 474 489
Vehicles      
Disclosure Of Quantitative Information About Rightofuse Assets [Line Items]      
Beginning balance 2 2 3
Additions 1 [1] 1 [2]  
Depreciation (1) (1) (1)
Translation difference     0
Ending balance 2 2 2
Computer Equipment      
Disclosure Of Quantitative Information About Rightofuse Assets [Line Items]      
Beginning balance 285 62 22
Additions 226 [1] 328 [2] 63 [3]
Deletions (91) (46) (6)
Depreciation (104) (61) (15)
Translation difference   2 (2)
Ending balance $ 316 $ 285 $ 62
[1] Net of adjustments on account of modifications and lease incentives
[2] Net of adjustments on account of modifications and lease incentives
[3] Net of adjustments on account of modifications and lease incentives