XML 23 R4.htm IDEA: XBRL DOCUMENT v3.22.2
CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - USD ($)
shares in Millions, $ in Millions
Jun. 30, 2022
Dec. 31, 2021
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts $ 87 $ 98
Accumulated depreciation 6,540 6,619
Accumulated amortization $ 522 $ 522
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 59
Treasury stock (in shares) 59 55