v3.24.1.1.u2
Segment Reporting - Schedule of Segmented Information (Details) - USD ($)
$ in Millions
 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Disclosure of Operating Segments [Line Items]      
Revenues $ 18,562 $ 18,212 $ 16,311
Identifiable operating expenses 10,856 10,553 9,281
Allocated expenses 3,307 3,310 2,809
Segment profit 4,399 4,349 4,221
Unallocable expenses 565 524 466
Operating profit 3,834 3,825 3,755
Other income, net 568 335 308
Finance cost 56 35 27
Profit before income taxes 4,346 4,125 4,036
Income tax expense 1,177 1,142 1,068
Net profit 3,169 2,983 2,968
Depreciation and amortization 565 524 466
Operating Segments | Financial Services      
Disclosure of Operating Segments [Line Items]      
Revenues 5,093 5,434 5,218
Identifiable operating expenses 2,993 3,103 2,967
Allocated expenses 973 985 867
Segment profit 1,127 1,346 1,384
Operating Segments | Retail      
Disclosure of Operating Segments [Line Items]      
Revenues 2,719 2,632 2,379
Identifiable operating expenses 1,414 1,352 1,158
Allocated expenses 473 487 399
Segment profit 832 793 822
Operating Segments | Communication      
Disclosure of Operating Segments [Line Items]      
Revenues 2,173 2,246 2,035
Identifiable operating expenses 1,337 1,380 1,231
Allocated expenses 391 401 353
Segment profit 445 465 451
Operating Segments | Energy, Utilities, Resources and Services      
Disclosure of Operating Segments [Line Items]      
Revenues 2,417 2,300 1,942
Identifiable operating expenses 1,309 1,231 1,029
Allocated expenses 444 430 347
Segment profit 664 639 566
Operating Segments | Manufacturing      
Disclosure of Operating Segments [Line Items]      
Revenues 2,696 2,357 1,787
Identifiable operating expenses 1,763 1,551 1,133
Allocated expenses 423 426 332
Segment profit 510 380 322
Operating Segments | Hi-Tech      
Disclosure of Operating Segments [Line Items]      
Revenues 1,498 1,472 1,346
Identifiable operating expenses 874 864 798
Allocated expenses 245 242 213
Segment profit 379 366 335
Operating Segments | Life Sciences      
Disclosure of Operating Segments [Line Items]      
Revenues 1,391 1,251 1,142
Identifiable operating expenses 811 724 649
Allocated expenses 230 209 174
Segment profit 350 318 319
Operating Segments | Others      
Disclosure of Operating Segments [Line Items]      
Revenues 575 520 462
Identifiable operating expenses 355 348 316
Allocated expenses 128 130 124
Segment profit $ 92 $ 42 $ 22