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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2025

Accounting Policies [Abstract]

Schedule of Estimated Useful Lives By Asset

The estimated useful lives of DXC's property and equipment are as follows:

Buildings			Up to 40 years
Computers and related equipment			4 to 7 years
Furniture and other equipment			3 to 15 years
Leasehold improvements			Shorter of lease term or useful life up to 20 years

Schedule of Finite-Lived Intangible Assets

The Company's estimated useful lives for finite-lived intangibles are shown in the table below:

Software			2 to 10 years
Customer related intangibles			Expected customer service life
Acquired contract related intangibles			Contract life and first contract renewal, where applicable

Intangible assets consisted of the following:

						As of March 31, 2025																		As of March 31, 2024
(in millions)						Gross Carrying Value						Accumulated Amortization						Net Carrying Value						Gross Carrying Value						Accumulated Amortization						Net Carrying Value
Software						$	3,713					$	3,166					$	547					$	3,721					$	3,070					$	651
Customer related intangible assets						3,886						2,933						953						3,892						2,588						1,304
Other intangible assets						284						142						142						309						134						175
Total intangible assets						$	7,883					$	6,241					$	1,642					$	7,922					$	5,792					$	2,130

Schedule of Recently Adopted Accounting Pronouncements and New Accounting Pronouncements

During fiscal 2025, DXC adopted the following Accounting Standards Updates ("ASU") issued by the Financial Accounting Standards Board:

Date Issued and ASU			Date Adopted and Method			Description			Impact
November 2023 ASU 2023-07, “Improvements to Reportable Segment Disclosures”			January 1, 2025 Prospective			This update requires disclosure of significant segment expenses used by the Chief Operating Decision Maker (“CODM”) to assess performance and allocate resources, disclose the title and position of the CODM and modifies other segment disclosures and the frequency thereof.			The Company adopted this standard by expanding disclosures related to segments in the notes to the financial statements.

New Accounting Pronouncements

During fiscal 2024 and fiscal 2025, the following ASUs were issued by the Financial Accounting Standards Board but have not yet been adopted by DXC:

Date Issued and ASU			DXC Effective Date			Description			Impact
December 2023 ASU 2023-09, “Improvements to Income Tax Disclosures”			Fiscal 2026			The update requires disclosure of disaggregated income taxes paid, prescribes standard categories for the components of the effective tax rate reconciliation, and modifies other income tax-related disclosures. Early adoption of this update is permitted.			The Company is in the process of assessing the impacts and method of adoption. This ASU will impact our financial statement disclosures, but not its consolidated financial statements.
November 2024 ASU 2024-03, "Disaggregation of Income Statement Expenses"			Fiscal 2028			The update requires disclosure, in the notes to financial statements, of specified quantitative information about certain costs and expenses presented in the income statement and certain qualitative information about costs that are not disaggregated. Early adoption of this update is permitted.			The Company is in the process of assessing the impacts and method of adoption. This ASU will impact the Company’s financial statement disclosures, but not its consolidated financial statements.

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