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COMMON STOCK AND STOCK-BASED COMPENSATION (Tables)
 12 Months Ended
May 31, 2025
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award
The following table summarizes the Company's total stock-based compensation expense recognized in Cost of sales or Operating overhead expense, as applicable: 
 YEAR ENDED MAY 31,
(Dollars in millions)
202520242023
Stock options(1)
$292 $336 $311 
ESPPs69 69 72 
Restricted stock and restricted stock units(1)(2)
348 399 372 
TOTAL STOCK-BASED COMPENSATION EXPENSE$709 $804 $755 
(1)Expense for stock options includes the expense associated with stock appreciation rights.
(2)For the fiscal years ended May 31, 2025, 2024 and 2023, expense for restricted stock units includes an immaterial amount of expense for PSUs.
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions The weighted average assumptions used to estimate these fair values were as follows:
 YEAR ENDED MAY 31,
202520242023
Dividend yield1.6 %1.2 %0.9 %
Expected volatility31.1 %29.3 %27.1 %
Weighted average expected life (in years)6.05.85.8
Risk-free interest rate3.8 %4.3 %3.3 %
Schedule of Share-based Compensation, Stock Options, Activity
The following summarizes the stock option transactions under the plan discussed above: 
SHARES(1)
WEIGHTED AVERAGE OPTION PRICE
(In millions)
Options outstanding as of May 31, 202473.7 $98.10 
Exercised(5.4)58.50 
Forfeited(6.5)101.93 
Granted13.3 83.20 
Options outstanding as of May 31, 202575.1 $97.99 
(1)Includes stock appreciation rights transactions.
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity
The following summarizes the restricted stock and restricted stock units transactions under the plan discussed above: 
SHARES(1)
WEIGHTED AVERAGE GRANT DATE
FAIR VALUE
(In millions)
Nonvested as of May 31, 20249.1 $117.52
Vested(3.3)116.76
Forfeited(1.7)105.68
Granted6.6 82.32
Nonvested as of May 31, 202510.7 $94.29
(1) Includes an immaterial amount of PSU transactions