SEGMENT INFORMATION (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Nov. 30, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023
Segment reporting information [Line Items]
Revenues		$ 14,059	$ 12,941	$ 27,366	$ 25,394
Cloud services and license support expenses	[1]	2,746	2,274	5,344	4,452
Sales and marketing expenses	[1]	2,190	2,093	4,226	4,118
Margin		4,220	3,622	8,211	6,918
Operating Segments [Member]
Segment reporting information [Line Items]
Revenues		14,059	12,941	27,366	25,394
Expenses		5,753	5,350	11,229	10,601
Margin	[2]	8,306	7,591	16,137	14,793
Operating Segments [Member] | Cloud and License [Member]
Segment reporting information [Line Items]
Revenues		12,001	10,817	23,389	21,173
Cloud services and license support expenses		2,555	2,105	4,977	4,145
Sales and marketing expenses		1,888	1,797	3,659	3,582
Margin	[2]	7,558	6,915	14,753	13,446
Operating Segments [Member] | Hardware [Member]
Segment reporting information [Line Items]
Revenues		728	756	1,383	1,470
Hardware products and support expenses		161	204	313	415
Sales and marketing expenses		69	78	135	148
Margin	[2]	498	474	935	907
Operating Segments [Member] | Services [Member]
Segment reporting information [Line Items]
Revenues		1,330	1,368	2,594	2,751
Services expenses		1,080	1,166	2,145	2,311
Margin	[2]	$ 250	$ 202	$ 449	$ 440

[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.