Common Stock and Share Based Compensation [Line Items]

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Common Stock, Class A Conversion Ratio to Class B

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- Definition

Employee Stock Purchase Plan Offering Period

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- Definition

Minimum Term of Market Traded Options For Estimates of Expected Volatility

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The maximum payroll deduction for employees for the purchase of stock under the Employee Stock Purchase Plan.

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- Definition

Face amount per share of no-par value common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

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Number of shares issued during the period as a result of an employee stock purchase plan.

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COMMON STOCK AND STOCK-BASED COMPENSATION - Additional Information (Details)	12 Months Ended
	May 31, 2026 USD ($) $ / shares shares	May 31, 2025 USD ($) $ / shares shares	May 31, 2024 USD ($) $ / shares shares
Common Stock and Share Based Compensation [Line Items]
Weighted average fair value per share of the options granted (in dollars per share) \| $ / shares	$ 24.10	$ 25.90	$ 32.78
Restricted Stock And Restricted Stock Units
Common Stock and Share Based Compensation [Line Items]
Unrecognized compensation costs from stock options, net of estimated forfeitures, to be recognized as operating overhead expense over a weighted average period (in years)	2 years 6 months
Restricted stock granted to key employees under 1990 Plan, weighted average values per share (in dollars per share) \| $ / shares	$ 74.45	$ 82.32	$ 103.13
Vested, fair value	$ 229,000,000	$ 221,000,000	$ 340,000,000
Unrecognized compensation costs from restricted stock, net of estimated forfeitures	$ 651,000,000
Class A Common Stock
Common Stock and Share Based Compensation [Line Items]
Common stock, no par value (in dollars per share) \| $ / shares	$ 0
Common stock, number of shares authorized (in shares) \| shares	400,000,000
Common stock, Class A conversion ratio to Class B (in shares)	1
Class B Common Stock
Common Stock and Share Based Compensation [Line Items]
Common stock, no par value (in dollars per share) \| $ / shares	$ 0
Common stock, number of shares authorized (in shares) \| shares	2,400,000,000
Class B Common Stock \| ESPPs
Common Stock and Share Based Compensation [Line Items]
Employee stock purchase plans, payroll deductions	10.00%
Employee stock purchase plan offering period	6 months
Shares purchased, price as percentage of lower of the fair market value	85.00%
Purchase of shares by employee (in shares) \| shares	4,000,000.0	3,600,000	3,100,000
Stock Incentive Plan
Common Stock and Share Based Compensation [Line Items]
Stock options vesting period (in years)	4 years
Stock options expiration from the date of grant (in years)	10 years
Options exercisable (in shares) \| shares	52,800,000
Options exercisable (in dollars per share) \| $ / shares	$ 101.19
Aggregate intrinsic value for options exercisable	$ 0
Aggregate intrinsic value for options outstanding	0
Stock Incentive Plan \| Stock options
Common Stock and Share Based Compensation [Line Items]
Unrecognized compensation costs from stock options, net of estimated forfeitures	$ 336,000,000
Unrecognized compensation costs from stock options, net of estimated forfeitures, to be recognized as operating overhead expense over a weighted average period (in years)	2 years 4 months 24 days
Stock Incentive Plan \| Class B Common Stock
Common Stock and Share Based Compensation [Line Items]
Shares available for grant (in shares) \| shares	843,000,000
Minimum term of market traded options for estimates of expected volatility (in years)	1 year
Total intrinsic value of options exercised	$ 33,000,000	$ 120,000,000	$ 305,000,000
Weighted average remaining contractual life for options outstanding (in years)	5 years 1 month 6 days
Weighted average remaining contractual life for options exercisable (in years)	3 years 8 months 12 days