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SEGMENT INFORMATION (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
May 31, 2016 | May 31, 2015 | May 31, 2014
Segment reporting information [Line Items] |  |  |  |
Revenues |  | $ 37,047 | $ 38,226 | $ 38,275
Margin |  | 22,904 | 24,221 | 24,647
Cloud software and on-premise software [Member] |  |  |  |
Segment reporting information [Line Items] |  |  |  |
Revenues | [1] | 9,488 | 10,025 | 10,542
Cloud software as a service and platform as a service expenses |  | 1,116 | 742 | 437
Sales and distribution expenses |  | 6,010 | 5,812 | 5,666
Margin | [2] | 2,362 | 3,471 | 4,439
Cloud infrastructure as a service [Member] |  |  |  |
Segment reporting information [Line Items] |  |  |  |
Revenues |  | 646 | 608 | 456
Cloud infrastructure as a service expenses |  | 352 | 329 | 304
Sales and distribution expenses |  | 74 | 89 | 61
Margin | [2] | 220 | 190 | 91
Software license updates and product support [Member] |  |  |  |
Segment reporting information [Line Items] |  |  |  |
Revenues | [1] | 18,863 | 18,858 | 18,209
Software license updates and product support expenses |  | 1,077 | 1,130 | 1,111
Margin | [2] | 17,786 | 17,728 | 17,098
Total cloud and on-premise software business [Member] |  |  |  |
Segment reporting information [Line Items] |  |  |  |
Revenues | [1] | 28,997 | 29,491 | 29,207
Expenses |  | 8,629 | 8,102 | 7,579
Margin | [2] | 20,368 | 21,389 | 21,628
Hardware products [Member] |  |  |  |
Segment reporting information [Line Items] |  |  |  |
Revenues |  | 2,471 | 2,825 | 2,976
Hardware products expenses |  | 1,364 | 1,465 | 1,516
Sales and distribution expenses |  | 850 | 864 | 940
Margin | [2] | 257 | 496 | 520
Hardware support [Member] |  |  |  |
Segment reporting information [Line Items] |  |  |  |
Revenues | [1] | 2,198 | 2,384 | 2,407
Hardware support expenses |  | 665 | 783 | 802
Margin | [2] | 1,533 | 1,601 | 1,605
Total hardware business [Member] |  |  |  |
Segment reporting information [Line Items] |  |  |  |
Revenues | [1] | 4,669 | 5,209 | 5,383
Expenses |  | 2,879 | 3,112 | 3,258
Margin | [2] | 1,790 | 2,097 | 2,125
Total services business [Member] |  |  |  |
Segment reporting information [Line Items] |  |  |  |
Revenues | [1] | 3,391 | 3,553 | 3,716
Services expenses |  | 2,645 | 2,818 | 2,822
Margin | [2] | 746 | 735 | 894
Total for operating segments [Member] |  |  |  |
Segment reporting information [Line Items] |  |  |  |
Revenues | [1] | 37,057 | 38,253 | 38,306
Expenses |  | 14,153 | 14,032 | 13,659
Margin | [2] | $ 22,904 | $ 24,221 | $ 24,647
[1] | Cloud software and on-premise software, software license updates and product support and hardware support revenues for management reporting included revenues related to cloud SaaS and PaaS, software support and hardware support contracts that would have otherwise been recorded by the acquired businesses as independent entities but were not recognized in our consolidated statements of operations for the periods presented. See Note 10 for an explanation of these adjustments and the table below for a reconciliation of our total operating segment revenues to our total revenues as reported in our consolidated statements of operations. Our cloud software and on-premise software and services revenues for management reporting also differ from amounts reported per our consolidated statements of operations for the periods presented due to certain insignificant reclassifications between these lines for management reporting purposes.
[2] | The margins reported reflect only the direct controllable costs of each line of business and do not include allocations of product development, marketing and partner programs, and corporate, general and administrative and IT expenses. Additionally, the margins reported do not reflect amortization of intangible assets, acquisition related and other expenses, restructuring expenses, stock-based compensation, interest expense or certain other income (expense), net.

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