XML 45 R3.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Nov. 30, 2019
May 31, 2019
CURRENT ASSETS    
Allowances for receivables $ 315 $ 300
Allowances for spare parts, supplies and fuel $ 330 $ 335
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