XML 22 R4.htm IDEA: XBRL DOCUMENT v3.23.1
CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - USD ($)
shares in Millions, $ in Millions
Mar. 31, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 49 $ 49
Accumulated depreciation 5,064 4,808
Accumulated amortization $ 410 $ 400
Common stock, par value (in USD per share) $ 1 $ 1
Common stock, shares authorized (in shares) 250 250
Common stock, shares issued (in shares) 114 114
Common stock, shares outstanding (in shares) 55 54
Treasury stock (in shares) 60 60