Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Millions |
Mar. 31, 2025 |
Mar. 31, 2024 |
|---|---|---|
| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | $ 1,617 | $ 1,570 |
| Accumulated Amortization | (1,108) | (1,025) |
| Net Carrying Amount | 509 | 545 |
| Tradenames | ||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 154 | 152 |
| Accumulated Amortization | (138) | (129) |
| Net Carrying Amount | 16 | 23 |
| Technology and software | ||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 606 | 563 |
| Accumulated Amortization | (484) | (450) |
| Net Carrying Amount | 122 | 113 |
| Customer-related Intangible Assets | ||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 852 | 851 |
| Accumulated Amortization | (482) | (444) |
| Net Carrying Amount | 370 | 407 |
| Other Intangible Assets | ||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | 5 | 4 |
| Accumulated Amortization | (4) | (2) |
| Net Carrying Amount | $ 1 | $ 2 |