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Unearned Revenue by Segment (Detail) - USD ($) $ in Millions | Sep. 30, 2019 | Jun. 30, 2019
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Contract With Customer Liability [Line Items] |  |
Unearned revenue | $ 34,026 | $ 37,206
Productivity and Business Processes |  |
Contract With Customer Liability [Line Items] |  |
Unearned revenue | 15,560 | 16,831
Intelligent Cloud |  |
Contract With Customer Liability [Line Items] |  |
Unearned revenue | 15,255 | 16,988
More Personal Computing |  |
Contract With Customer Liability [Line Items] |  |
Unearned revenue | $ 3,211 | $ 3,387

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