v3.26.1
INCOME TAXES - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 12 Months Ended
Feb. 28, 2025
May 31, 2026
May 31, 2025
May 31, 2024
May 31, 2023
Income Tax Disclosure [Abstract]          
Non-cash deferred income tax benefit $ 133 $ (11)      
Total valuation allowance   192 $ 51    
Operating loss carryforwards   96      
Operating loss carryforwards, subject to expiration   89      
Operating loss carryforwards, not subject to expiration   7      
Total gross unrecognized tax benefits, excluding related interest and penalties   953 1,026 $ 990 $ 936
Total gross unrecognized tax benefits, excluding related interest and penalties, amount which would affect the Company's effective tax rate if recognized in future periods   742      
Accrued interest and penalties related to uncertain tax positions (excluding federal benefit)   438 376    
Estimated decrease in gross unrecognized tax benefits that is reasonably possible   184      
Tax benefit attributable to tax holiday   $ 254 $ 271 $ 338  
Benefit of tax holiday on diluted earnings per common share (in dollars per share)   $ 0.17 $ 0.18 $ 0.22  
Cash paid for income taxes (net of refunds received)   $ 1,270 $ 1,226 $ 1,299