XML 31 R3.htm IDEA: XBRL DOCUMENT v3.22.0.1
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Feb. 28, 2022
May 31, 2021
CURRENT ASSETS    
Allowances for receivables $ 793 $ 742
Allowances for spare parts, supplies and fuel $ 356 $ 349
COMMON STOCKHOLDERS' INVESTMENT    
Common stock, par value $ 0.10 $ 0.10
Common stock, shares authorized 800,000,000 800,000,000
Common stock, shares issued 318,000,000 318,000,000