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Intangible Assets
 6 Months Ended
Sep. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Intangible Assets
Intangible assets consisted of the following:

As of September 30, 2022As of March 31, 2022
(in millions)Gross Carrying ValueAccumulated AmortizationNet Carrying ValueGross Carrying ValueAccumulated AmortizationNet Carrying Value
Software$3,981 $3,103 $878 $4,063 $3,039 $1,024 
Customer related3,873 2,048 1,825 4,148 1,995 2,153 
Other289 108 181 291 90 201 
Total intangible assets$8,143 $5,259 $2,884 $8,502 $5,124 $3,378 


The components of amortization expense were as follows:

Three Months EndedSix Months Ended
(in millions)September 30, 2022September 30, 2021September 30, 2022September 30, 2021
Intangible asset amortization$198 $223 $397 $437 
Transition and transformation contract cost amortization(1)
53 60 105 110 
Total amortization expense$251 $283 $502 $547 
        

(1)Transition and transformation contract costs are included within other assets on the balance sheet.

Estimated future amortization related to intangible assets as of September 30, 2022 is as follows:

Fiscal Year (in millions)
Remainder of 2023$404 
2024675 
2025558 
2026506 
2027376 
Thereafter365 
Total$2,884