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Details of Cash From Operating Activities (Tables)
 12 Months Ended
Dec. 31, 2020
Supplemental Cash Flow Elements [Abstract]  
Components of Cash, Cash Equivalents and Restricted Cash Equivalents
 
[a]
Cash, cash equivalents and restricted cash equivalents consist of:
 
   
2020
   2019 
Bank term deposits and bankers’ acceptances
  
$
1,987
 
  $724 
Cash
  
 
1,281
 
   552 
   
 
 
   
 
 
 
Cash and cash equivalents
  
$
3,268
 
  $1,276 
Restricted cash equivalents included in prepaid expenses
[note 15]
  
 
106
 
   116 
   
 
 
   
 
 
 
   
$
3,374
 
  $1,392 
   
 
 
   
 
 
 
Details of Items Not Involving Current Cash Flows
 
[b]
Items not involving current cash flows:
 
   
2020
   2019 
Depreciation and amortization
  
$
1,366
 
  $1,345 
Amortization of other assets included in cost of goods sold
  
 
215
 
   257 
Impairment charges
[note 2]
  
 
435
 
   727 
Other
non-cash
charges
  
 
66
 
   89 
Deferred income taxes
[note 10]
  
 
17
 
   7 
Equity income in excess of dividends received
  
 
(10
) 
   —   
Dividends received in excess of equity income
  
 
—
 
   69 
Non-cash
portion of Other expense, net
[note 2]
  
 
(24
) 
   (518) 
   
 
 
   
 
 
 
   
$
2,065
 
  $1,976 
   
 
 
   
 
 
 
Changes in Operating Assets and Liabilities
 
[c]
Changes in operating assets and liabilities:
 
   
    2020    
   2019 
Accounts receivable
  
$
(42
) 
  $629 
Inventories
  
 
37
 
   104 
Prepaid expenses and other
  
 
(12
) 
   (21) 
Accounts payable
  
 
274
 
   (519) 
Accrued salaries and wages
  
 
(8
) 
   (34) 
Other accrued liabilities
  
 
309
 
   97 
Income taxes payable
  
 
(22
) 
   96 
   
 
 
   
 
 
 
   
$
536
 
  $352