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Supplemental Cash Flow Information
 6 Months Ended
Jun. 30, 2022
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information
Note 18.  Supplemental Cash Flow Information

The following table provides information regarding the net effect of changes in our operating accounts and cash payments for interest and income taxes for the periods indicated:

 
  
For the Six Months
Ended June 30,
  
 
  
2022
    
2021
  
Decrease (increase) in:
            
Accounts receivable – trade
  
$
(1,355
)
  
$
(689
)
Accounts receivable – related parties
    
(8
)
    
(2
)
Inventories
    
(467
)
    
243
  
Prepaid and other current assets
    
70
      
200
  
Other assets
    
25
      
70
  
Increase (decrease) in:
                
Accounts payable – trade
    
(38
)
    
151
  
Accounts payable – related parties
    
(35
)
    
(53
)
Accrued product payables
    
2,542
      
1,246
  
Accrued interest
    
(18
)
    
(12
)
Other current liabilities
    
(457
)
    
(726
)
Other long-term liabilities
    
(41
)
    
(29
)
Net effect of changes in operating accounts
  
$
218
    
$
399
  
                 
Cash payments for interest, net of $38 and $41 capitalized during the
   six months ended June 30, 2022 and 2021, respectively
  
$
624
    
$
624
  
                 
Cash payments (refunds) for federal and state income taxes
  
$
(3
)
  
$
17
  

We incurred liabilities for construction in progress that had not been paid at June 30, 2022 and December 31, 2021 of $194 million and $183 million, respectively.  Such amounts are not included under the caption “Capital expenditures” on the Unaudited Condensed Statements of Consolidated Cash Flows.