Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED BALANCE SHEETS BALANCE SHEET PARENTHETICAL

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CONSOLIDATED BALANCE SHEETS BALANCE SHEET PARENTHETICAL - USD ($)
shares in Millions, $ in Millions
Dec. 31, 2019
Dec. 31, 2018
Balance Sheet Parenthetical [Abstract]    
Allowance for Doubtful Accounts Receivable $ 524 $ 501
Common Stock, Par or Stated Value Per Share $ 0.25 $ 0.25
Common Stock, Shares Authorized 11,200 11,200
Common Stock, Shares, Issued 7,040 7,040
Treasury Stock, Shares 2,760 2,772