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Goodwill And Acquisition-Related Intangibles, Net (Schedule Of Changes In The Carrying Amount Of Goodwill) (Details) $ in Millions | 6 Months Ended
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Sep. 30, 2021 USD ($)
Goodwill [Roll Forward] |  |
Goodwill, Gross, Beginning balance | $ 3,236 |
Accumulated impairment, beginning balance | (368) |
Goodwill, Net, Beginning balance | 2,868 | [1]
Goodwill acquired | 2,591 |
Effects of foreign currency translation | 0 |
Goodwill, Gross, Ending balance | 5,827 |
Accumulated impairment, ending balance | (368) |
Goodwill, Net, Ending balance | $ 5,459 |
[1] | Derived from audited Consolidated Financial Statements.

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