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Revenue (Tables)
 6 Months Ended
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 CustomersRelated PartiesTotal
(in millions)202520242025202420252024
License and Other Revenue(1)
$222 $240 $293 $90 $515 $330 
Royalty Revenue491 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 CustomersRelated PartiesTotal
(in millions)202520242025202420252024
License and Other Revenue (1)
$477 $681 $506 $121 $983 $802 
Royalty Revenue961 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)
2025202420252024
United States
$374 $292 $756 $850 
PRC (1)
250 193 459 321 
Japan206 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, 2025March 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)2025202420252024
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, 2025March 31, 2025
Beginning balance April 1,$911 $915 
Customer prepayment and billing in advance of performance273 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