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Revenue (Tables) | 6 Months Ended
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Sep. 30, 2025
Revenue from Contract with Customer [Abstract] |
Schedule of Disaggregation of Revenue | A summary of the Company’s disaggregated revenue is as follows:
|  | Three Months Ended September 30,
|  | External Customers |  | Related Parties |  | Total
(in millions) |  | 2025 |  | 2024 |  | 2025 |  | 2024 |  | 2025 |  | 2024
License and Other Revenue(1) |  | $ | 222 |  |  | $ | 240 |  |  | $ | 293 |  |  | $ | 90 |  |  | $ | 515 |  |  | $ | 330 |
Royalty Revenue |  | 491 |  |  | 412 |  |  | 129 |  |  | 102 |  |  | 620 |  |  | 514 |
|  | $ | 713 |  |  | $ | 652 |  |  | $ | 422 |  |  | $ | 192 |  |  | $ | 1,135 |  |  | $ | 844 |
(1) Includes over-time revenue of $273 million and $120 million, and point-in-time revenue of $242 million and $210 million, for the three months ended September 30, 2025 and 2024, respectively.
|  | Six Months Ended September 30,
|  | External Customers |  | Related Parties |  | Total
(in millions) |  | 2025 |  | 2024 |  | 2025 |  | 2024 |  | 2025 |  | 2024
License and Other Revenue (1) |  | $ | 477 |  |  | $ | 681 |  |  | $ | 506 |  |  | $ | 121 |  |  | $ | 983 |  |  | $ | 802 |
Royalty Revenue |  | 961 |  |  | 786 |  |  | 244 |  |  | 195 |  |  | 1,205 |  |  | 981 |
|  | $ | 1,438 |  |  | $ | 1,467 |  |  | $ | 750 |  |  | $ | 316 |  |  | $ | 2,188 |  |  | $ | 1,783 |
(1) Includes over-time revenue of $494 million and $196 million, and point-in-time revenue of $489 million and $606 million, for the six months ended September 30, 2025 and 2024, respectively.
Schedule of Revenue from External Customers by Geographic Areas | The following table summarizes information pertaining to revenue from customers based on the principal headquarters address by geographic regions:
|  | Three Months Ended September 30, |  | Six Months Ended September 30,
(in millions) |  | 2025 |  | 2024 |  | 2025 |  | 2024
United States |  | $ | 374 |  |  | $ | 292 |  |  | $ | 756 |  |  | $ | 850 |
PRC (1) |  | 250 |  |  | 193 |  |  | 459 |  |  | 321 |
Japan |  | 206 |  |  | 74 |  |  | 360 |  |  | 114 |
Taiwan |  | 175 |  |  | 155 |  |  | 321 |  |  | 270 |
Republic of Korea |  | 82 |  |  | 76 |  |  | 151 |  |  | 139 |
Other countries |  | 48 |  |  | 54 |  |  | 141 |  |  | 89 |
Total |  | $ | 1,135 |  |  | $ | 844 |  |  | $ | 2,188 |  |  | $ | 1,783 |
(1) “PRC” means the People’s Republic of China, including the Hong Kong Special Administrative Region and the Macau Special Administrative Region, but excluding Taiwan.
Schedule of Accounts Receivable | A summary of the components of accounts receivable, net is as follows:
|  | As of
(in millions) |  | September 30, 2025 |  | March 31, 2025
Accounts receivable |  | $ | 1,138 |  |  | $ | 1,127 |
Allowance for current expected credit losses |  | (19) |  |  | (20) |
Total accounts receivable, net |  | $ | 1,119 |  |  | $ | 1,107 |
Schedule of Allowance for Credit Losses | A summary of the movement in the allowance for current expected credit losses is as follows:
|  | Three Months Ended September 30, |  | Six Months Ended September 30,
(in millions) |  | 2025 |  | 2024 |  | 2025 |  | 2024
Beginning balance |  | $ | 19 |  |  | $ | 19 |  |  | $ | 20 |  |  | $ | 3 |
Additional (reversal of) provision |  | — |  |  | — |  |  | (1) |  |  | 16 |
Ending balance |  | $ | 19 |  |  | $ | 19 |  |  | $ | 19 |  |  | $ | 19 |
Schedule of Reconciliation of Contract Liabilities | A reconciliation of the movement in contract liabilities is as follows:
|  | As of
(in millions) |  | September 30, 2025 |  | March 31, 2025
Beginning balance April 1, |  | $ | 911 |  |  | $ | 915 |
Customer prepayment and billing in advance of performance |  | 273 |  |  | 371 |
Revenue recognized in the period that was included in the contract liability balance at the beginning of the period |  | (92) |  |  | (131) |
Revenue recognized in the period that was included in the contract liability balance during the period |  | (62) |  |  | (244) |
Ending balance |  | $ | 1,030 |  |  | $ | 911 |

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- Definition Tabular disclosure of allowance for credit loss on right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 + Details
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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