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Stock-based Compensation (Tables) | 12 Months Ended
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Mar. 31, 2026
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock-based Compensation Expense Recognized in the Condensed Consolidated Statements of Operations | The following table summarizes stock-based compensation expense recognized in the consolidated statements of operations:
| Fiscal Year Ended March 31,
| 2026 |  | 2025 |  | 2024
Cost of revenue | $ | 27 |  |  | $ | 35 |  |  | $ | 44 |
General and administrative expenses | 42 |  |  | 59 |  |  | 51 |
Total (1) | $ | 69 |  |  | $ | 94 |  |  | $ | 95 |
(1) Tax benefits recognized from stock-based compensation were $12 million, $22 million, and $31 million for fiscal 2026, 2025, and 2024, respectively.
Schedule of Unvested Restricted Stock Activity | The following table summarizes unvested restricted stock activity for the periods presented:
|  | Number of Shares |  | Weighted Average Grant Date Fair Value
Unvested Restricted Stock Awards |  |  |  |
Unvested at March 31, 2025 |  | 1,003,794 |  |  | $ | 120.89 |
Granted |  | 860,646 |  |  | 104.11 |
Vested |  | 735,591 |  |  | 106.04 |
Forfeited |  | 168,292 |  |  | 121.39 |
Unvested at March 31, 2026 (1) |  | 960,557 |  |  | $ | 117.14 |
(1) Unvested restricted stock includes 0.2 million shares of performance-based awards that completed the three-year performance period but remained unsettled at March 31, 2026, subject to the certification of final performance by the Compensation, Culture and People Committee of the Board of Directors.

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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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