CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2021
Statement [Line Items]
Balances	$ (5,768)	$ 5,952	$ 12,717
Beginning common stock shares outstanding	2,665.0
Common stock issued under stock-based compensation plans	$ 1,019	318	1,658
Common stock issued under stock purchase plans	173	164	128
Assumption of stock-based compensation plan awards in connection with acquisitions	$ 55
Assumption of stock-based compensation plan awards in connection with acquisitions, Shares	0.0
Stock-based compensation	$ 3,547	2,613	1,837
Repurchases of common stock	$ (1,286)	$ (16,200)	$ (21,000)
Repurchases of common stock, Shares	(17.0)	(185.8)	(329.2)
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	$ (1,203)	$ (1,093)	$ (666)
Cash dividends declared	(3,668)	(3,457)	(3,063)
Other, net	$ (115)	$ (399)	$ (128)
Other, net, Shares	0.0	0.0	0.0
Other comprehensive income (loss), net	$ 134	$ (567)	$ 543
Net income	8,668	6,901	13,926
Balances	$ 1,556	$ (5,768)	5,952
Ending common stock shares outstanding	2,713.0	2,665.0
Common Stock and Additional Paid in Capital
Statement [Line Items]
Balances	$ 26,808	$ 26,533	$ 26,486
Beginning common stock shares outstanding	2,665.0	2,814.0	3,067.0
Common stock issued under stock-based compensation plans	$ 1,019	$ 318	$ 1,658
Common stock issued under stock-based compensation plans, Shares	79.0	48.0	86.0
Common stock issued under stock purchase plans	$ 173	$ 164	$ 128
Common stock issued under stock purchase plans, Shares	2.0	2.0	2.0
Assumption of stock-based compensation plan awards in connection with acquisitions	$ 55
Stock-based compensation	3,547	$ 2,613	$ 1,837
Repurchases of common stock	$ (166)	$ (1,723)	$ (2,893)
Repurchases of common stock, Shares	(17.0)	(186.0)	(329.0)
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	$ (1,203)	$ (1,093)	$ (666)
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards, Shares	(16.0)	(13.0)	(12.0)
Cash dividends declared	$ 0	$ 0	$ 0
Other, net	(18)	(4)	(17)
Net income	0	0	0
Balances	$ 30,215	$ 26,808	$ 26,533
Ending common stock shares outstanding	2,713.0	2,665.0	2,814.0
Accumulated Deficit
Statement [Line Items]
Balances	$ (31,336)	$ (20,120)	$ (12,696)
Common stock issued under stock-based compensation plans	0	0	0
Common stock issued under stock purchase plans	0	0	0
Assumption of stock-based compensation plan awards in connection with acquisitions	0
Stock-based compensation	0	0	0
Repurchases of common stock	(1,120)	(14,477)	(18,107)
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	0	0	0
Cash dividends declared	(3,668)	(3,457)	(3,063)
Other, net	1	1	0
Net income	8,503	6,717	13,746
Balances	(27,620)	(31,336)	(20,120)
Accumulated Other Comprehensive Loss
Statement [Line Items]
Balances	(1,692)	(1,175)	(1,716)
Common stock issued under stock-based compensation plans	0	0	0
Common stock issued under stock purchase plans	0	0	0
Assumption of stock-based compensation plan awards in connection with acquisitions	0
Stock-based compensation	0	0	0
Repurchases of common stock	0	0	0
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	0	0	0
Cash dividends declared	0	0	0
Other, net	0	0	0
Other comprehensive income (loss), net	170	(517)	541
Net income	0	0	0
Balances	(1,522)	(1,692)	(1,175)
Total Oracle Corporation Stockholders' Equity (Deficit)
Statement [Line Items]
Balances	(6,220)	5,238	12,074
Common stock issued under stock-based compensation plans	1,019	318	1,658
Common stock issued under stock purchase plans	173	164	128
Assumption of stock-based compensation plan awards in connection with acquisitions	55
Stock-based compensation	3,547	2,613	1,837
Repurchases of common stock	(1,286)	(16,200)	(21,000)
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	(1,203)	(1,093)	(666)
Cash dividends declared	(3,668)	(3,457)	(3,063)
Other, net	(17)	(3)	(17)
Other comprehensive income (loss), net	170	(517)	541
Net income	8,503	6,717	13,746
Balances	1,073	(6,220)	5,238
Noncontrolling Interests
Statement [Line Items]
Balances	452	714	643
Common stock issued under stock-based compensation plans	0	0	0
Common stock issued under stock purchase plans	0	0	0
Assumption of stock-based compensation plan awards in connection with acquisitions	0
Stock-based compensation	0	0	0
Repurchases of common stock	0	0	0
Shares repurchased for tax withholdings upon vesting of restricted stock-based awards	0	0	0
Cash dividends declared	0	0	0
Other, net	(98)	(396)	(111)
Other comprehensive income (loss), net	(36)	(50)	2
Net income	165	184	180
Balances	$ 483	$ 452	$ 714