SEGMENT INFORMATION (Details) - USD ($) $ in Millions		12 Months Ended
		May 31, 2021	May 31, 2020	May 31, 2019
Segment reporting information [Line Items]
Revenues		$ 40,479	$ 39,068	$ 39,506
Cloud services and license support expenses	[1]	4,353	4,006	3,782
Sales and marketing expenses	[1]	7,682	8,094	8,509
Margin		15,213	13,896	13,535
Operating Segments [Member]
Segment reporting information [Line Items]
Revenues	[2]	40,481	39,072	39,526
Expenses		14,658	15,158	15,545
Margin	[3]	25,823	23,914	23,981
Operating Segments [Member] | Cloud and License [Member]
Segment reporting information [Line Items]
Revenues	[2]	34,101	32,523	32,582
Cloud services and license support expenses		4,133	3,803	3,597
Sales and marketing expenses		6,799	7,159	7,398
Margin	[3]	23,169	21,561	21,587
Operating Segments [Member] | Hardware [Member]
Segment reporting information [Line Items]
Revenues		3,359	3,443	3,704
Hardware products and support expenses		945	1,084	1,327
Sales and marketing expenses		388	456	520
Margin	[3]	2,026	1,903	1,857
Operating Segments [Member] | Services [Member]
Segment reporting information [Line Items]
Revenues		3,021	3,106	3,240
Services expenses		2,393	2,656	2,703
Margin	[3]	$ 628	$ 450	$ 537

[1] Exclusive of amortization of intangible assets, which is shown separately.

[2] Cloud and license revenues presented for management reporting included revenues related to cloud and license obligations 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 due to business combination accounting requirements. The table below provides a reconciliation of our total operating segment revenues to our total consolidated revenues as reported in our consolidated statements of operations.

[3] The margins reported reflect only the direct controllable costs of each line of business and do not include allocations of product development, general and administrative and certain other allocable expenses, net. Additionally, the margins reported above do not reflect amortization of intangible assets, acquisition related and other expenses, restructuring expenses, stock-based compensation, interest expense or non-operating income, net. Refer to the table below for a reconciliation of our total margin for operating segments to our income before provision for income taxes as reported per our consolidated statements of operations.