v3.26.1
Intangible Assets and Goodwill (Tables)
 12 Months Ended
Mar. 31, 2026
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Finite-Lived Intangible Assets
Net amounts excluding fully amortized intangible assets, consist of the following (in millions):
March 31, 2026
Gross AmountAccumulated AmortizationNet Amount
Core and developed technology$7,039.6 $(5,212.9)$1,826.7 
Customer-related202.5 (165.3)37.2 
In-process research and development7.0 — 7.0 
Software licenses285.9 (123.4)162.5 
Total$7,535.0 $(5,501.6)$2,033.4 
March 31, 2025
Gross AmountAccumulated AmortizationNet Amount
Core and developed technology$7,149.9 $(4,981.6)$2,168.3 
Customer-related199.5 (152.8)46.7 
In-process research and development50.8 — 50.8 
Software licenses259.3 (136.1)123.2 
Total$7,659.5 $(5,270.5)$2,389.0 
Schedule of Indefinite Lived Intangible Assets
Net amounts excluding fully amortized intangible assets, consist of the following (in millions):
March 31, 2026
Gross AmountAccumulated AmortizationNet Amount
Core and developed technology$7,039.6 $(5,212.9)$1,826.7 
Customer-related202.5 (165.3)37.2 
In-process research and development7.0 — 7.0 
Software licenses285.9 (123.4)162.5 
Total$7,535.0 $(5,501.6)$2,033.4 
March 31, 2025
Gross AmountAccumulated AmortizationNet Amount
Core and developed technology$7,149.9 $(4,981.6)$2,168.3 
Customer-related199.5 (152.8)46.7 
In-process research and development50.8 — 50.8 
Software licenses259.3 (136.1)123.2 
Total$7,659.5 $(5,270.5)$2,389.0 
Schedule of Projected Amortization Expense
The following is an expected amortization schedule for the intangible assets for fiscal 2027 through fiscal 2031, absent any future acquisitions or impairment charges (in millions):
Fiscal Year Ending March 31,Amortization Expense
2027$454.8 
2028$344.0 
2029$270.2 
2030$258.1 
2031$231.3 
Schedule of Amortization Expense by Intangible Asset Class Amortization expense attributed to intangible assets are assigned to cost of sales and operating expenses as follows (in millions):
Fiscal Year Ended March 31,
202620252024
Amortization expense charged to cost of sales$20.7 $18.5 $12.2 
Amortization expense charged to operating expense513.6 565.8 676.9 
Total amortization expense$534.3 $584.3 $689.1 
Schedule of Goodwill Activity
Goodwill activity by segment was as follows (in millions):
 Semiconductor Products Reporting UnitTechnology Licensing Reporting Unit
Balance at March 31, 2024$6,656.2 $19.2 
Additions9.4 — 
Balance at March 31, 2025$6,665.6 $19.2 
Additions10.7 — 
Balance at March 31, 2026$6,676.3 $19.2 

At March 31, 2026, the Company applied a qualitative goodwill impairment test to its two reporting units, and concluded that goodwill was not impaired. Through March 31, 2026, the Company has never recorded a goodwill impairment charge.