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Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) shares in Millions, $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Doubtful accounts and allowances | $ 29 | $ 40
Accumulated depreciation | $ 14,171 | $ 14,147
Common stock, par value (in dollars per share) | $ 0.50 | $ 0.50
Common stock, shares authorized (in shares) | 3,800 | 3,800
Common stock, shares issued (in shares) | 1,800 | 1,800
Treasury shares (in shares) | 980 | 977

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