v3.24.1.1.u2
Goodwill And Intangible Assets - Summary of Changes In Carrying Amount of Acquired Intangible Assets (Details) - USD ($)
$ in Millions
 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance $ 213 $ 225 $ 283
Intangible assets gross, Ending balance 167 213 225
Gross Carrying Value      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance 570 525 525
Additions during the period 9 8 11
Acquisition through business combination (Refer Note 2.10)   41  
Translation differences (5) (4) (11)
Intangible assets gross, Ending balance 574 570 525
Accumulated Depreciation      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance (357) (300) (242)
Amortization expense (52) (60) (62)
Translation differences 2 3 4
Intangible assets gross, Ending balance (407) (357) (300)
Customer related      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance 111 105 143
Intangible assets gross, Ending balance $ 85 $ 111 $ 105
Customer related | Bottom of Range      
Disclosure Of Intangible Assets [Line Items]      
Estimated Useful Life (in years) 1 year 1 year 1 year
Estimated Remaining Useful Life (in years) 1 year 1 year 1 year
Customer related | Top of Range      
Disclosure Of Intangible Assets [Line Items]      
Estimated Useful Life (in years) 15 years 15 years 15 years
Estimated Remaining Useful Life (in years) 10 years 11 years 12 years
Customer related | Gross Carrying Value      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance $ 307 $ 274 $ 282
Acquisition through business combination (Refer Note 2.10)   34  
Translation differences (3) (1) (8)
Intangible assets gross, Ending balance 304 307 274
Customer related | Accumulated Depreciation      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance (196) (169) (139)
Amortization expense (24) (29) (32)
Translation differences 1 2 2
Intangible assets gross, Ending balance (219) (196) (169)
Software related      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance 42 46 45
Intangible assets gross, Ending balance $ 41 $ 42 $ 46
Software related | Bottom of Range      
Disclosure Of Intangible Assets [Line Items]      
Estimated Useful Life (in years) 3 years 3 years 3 years
Estimated Remaining Useful Life (in years) 1 year 1 year 1 year
Software related | Top of Range      
Disclosure Of Intangible Assets [Line Items]      
Estimated Useful Life (in years) 10 years 10 years 10 years
Estimated Remaining Useful Life (in years) 5 years 6 years 7 years
Software related | Gross Carrying Value      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance $ 127 $ 121 $ 112
Additions during the period 9 8 11
Translation differences (2) (2) (2)
Intangible assets gross, Ending balance 134 127 121
Software related | Accumulated Depreciation      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance (85) (75) (67)
Amortization expense (9) (10) (9)
Translation differences 1 0 1
Intangible assets gross, Ending balance (93) (85) (75)
Marketing Related      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance 18 21 26
Intangible assets gross, Ending balance $ 14 $ 18 $ 21
Marketing Related | Bottom of Range      
Disclosure Of Intangible Assets [Line Items]      
Estimated Useful Life (in years) 3 years 3 years 3 years
Estimated Remaining Useful Life (in years) 1 year 1 year 1 year
Marketing Related | Top of Range      
Disclosure Of Intangible Assets [Line Items]      
Estimated Useful Life (in years) 10 years 10 years 10 years
Estimated Remaining Useful Life (in years) 6 years 7 years 8 years
Marketing Related | Gross Carrying Value      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance $ 42 $ 40 $ 40
Acquisition through business combination (Refer Note 2.10)   3  
Translation differences   (1)  
Intangible assets gross, Ending balance 42 42 40
Marketing Related | Accumulated Depreciation      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance (24) (19) (14)
Amortization expense (4) (6) (5)
Translation differences   1  
Intangible assets gross, Ending balance (28) (24) (19)
Others      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance 42 53 69
Intangible assets gross, Ending balance $ 27 $ 42 $ 53
Others | Bottom of Range      
Disclosure Of Intangible Assets [Line Items]      
Estimated Useful Life (in years) 3 years 3 years 3 years
Estimated Remaining Useful Life (in years) 1 year 1 year 1 year
Others | Top of Range      
Disclosure Of Intangible Assets [Line Items]      
Estimated Useful Life (in years) 7 years 7 years 7 years
Estimated Remaining Useful Life (in years) 4 years 5 years 6 years
Others | Gross Carrying Value      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance $ 94 $ 90 $ 91
Acquisition through business combination (Refer Note 2.10)   4  
Translation differences   0 (1)
Intangible assets gross, Ending balance 94 94 90
Others | Accumulated Depreciation      
Disclosure Of Intangible Assets [Line Items]      
Intangible assets gross, Beginning balance (52) (37) (22)
Amortization expense (15) (15) (16)
Translation differences   0 1
Intangible assets gross, Ending balance $ (67) $ (52) $ (37)