SEGMENT INFORMATION (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Feb. 28, 2026	Feb. 28, 2025	Feb. 28, 2026	Feb. 28, 2025
Segment reporting information [Line Items]
Revenues		$ 17,190	$ 14,130	$ 48,173	$ 41,496
Cloud and software expenses	[1]	4,776	2,882	12,373	8,226
Sales and marketing expenses	[1]	2,052	2,119	6,263	6,345
Operating income		5,464	4,358	14,473	12,569
Operating Segments [Member]
Segment reporting information [Line Items]
Revenues		17,190	14,130	48,173	41,496
Expenses		7,598	5,789	21,078	17,018
Operating income	[2]	9,592	8,341	27,095	24,478
Operating Segments [Member] | Cloud and Software [Member]
Segment reporting information [Line Items]
Revenues		15,033	12,136	41,793	35,525
Cloud and software expenses		4,574	2,690	11,799	7,667
Sales and marketing expenses		1,752	1,817	5,420	5,477
Operating income	[2]	8,707	7,629	24,574	22,381
Operating Segments [Member] | Hardware [Member]
Segment reporting information [Line Items]
Revenues		714	703	2,160	2,086
Hardware products and support expenses		172	187	546	499
Sales and marketing expenses		57	66	170	201
Operating income	[2]	485	450	1,444	1,386
Operating Segments [Member] | Services [Member]
Segment reporting information [Line Items]
Revenues		1,443	1,291	4,220	3,885
Services expenses		1,043	1,029	3,143	3,174
Operating income	[2]	$ 400	$ 262	$ 1,077	$ 711

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

[2] The margins reported reflect only the direct controllable costs of each line of business and do not include allocations of research and 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 certain other non-operating income (expenses), net. Refer to the table below for a reconciliation of our total margin for operating segments to our income before income taxes as reported per our condensed consolidated statements of operations.