Goodwill and Acquisition-Related Intangibles, Net - Schedule Of Amortization Of Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Amortization and impairment of intangibles	$ 66	$ 67	$ 142
Cost of revenue
Finite-Lived Intangible Assets [Line Items]
Amortization and impairment of intangibles	37	40	76
Operating expenses
Finite-Lived Intangible Assets [Line Items]
Amortization and impairment of intangibles	66	67	142
Total amortization
Finite-Lived Intangible Assets [Line Items]
Amortization and impairment of intangibles	$ 103	$ 107	$ 218

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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