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Share-based Compensation (Tables) | 6 Months Ended
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Sep. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity | The table below identifies the award activity under the 2022 RSU Plan:
(in millions, except per award amount) |  | Awards (1) |  | Weighted Average Grant Date Fair Value Per Award (1)
Outstanding as of March 31, 2025 |  | 7 |  | $ | 47.34 |
Vested |  | (3) |  | $ | 53.65 |
Outstanding and expected to vest as of September 30, 2025 |  | 4 |  | $ | 49.44 |
(1) Awards and weighted average grant date per award exclude shares related to certain executive awards that currently have no grant date as the future performance objectives have not yet been defined and/or communicated to participants of the plan.
Schedule of Share-Based Payment Arrangement, Restricted Stock Units And Performance Shares, Activity | The table below identifies all award activity under the Omnibus Incentive Plan:
(in millions, except per award amount) |  | Awards (1) |  | Weighted Average Grant Date Fair Value Per Award (1)
Outstanding as of March 31, 2025 |  | 11 |  |  | $ | 118.24 |
Granted |  | 12 |  |  | $ | 118.78 |
Vested |  | (4) |  |  | $ | 117.37 |
Outstanding and expected to vest as of September 30, 2025 |  | 19 |  |  | $ | 118.82 |
(1) Awards and weighted average grant date per award exclude shares related to PSUs that currently have no grant date as the future performance objectives have not yet been defined and/or communicated to participants of the plan.
Schedule of Share-Based Payment Arrangement, Expensed and Capitalized, Amount | A summary of share-based compensation cost recognized in the Condensed Consolidated Income Statements is as follows:
|  | Three Months Ended September 30, |  | Six Months Ended September 30,
(in millions) |  | 2025 |  | 2024 |  | 2025 |  | 2024
Cost of sales |  | $ | 7 |  |  | $ | 7 |  |  | $ | 14 |  |  | $ | 13 |
Research and development |  | 197 |  |  | 154 |  |  | 371 |  |  | 283 |
Selling, general and administrative |  | 61 |  |  | 57 |  |  | 121 |  |  | 104 |
Pre-tax share-based compensation cost |  | $ | 265 |  |  | $ | 218 |  |  | $ | 506 |  |  | $ | 400 |
Less: income tax effect |  | 48 |  |  | 30 |  |  | 94 |  |  | 42 |
Net share-based compensation cost |  | $ | 217 |  |  | $ | 188 |  |  | $ | 412 |  |  | $ | 358 |

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- Definition Share-Based Payment Arrangement, Restricted Stock Units And Performance Shares, Activity + References No definition available. + Details
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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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