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Segment Information-Acquisitions and Dispositions (Details)
$ in Millions
1 Months Ended 9 Months Ended
Sep. 28, 2019
USD ($)
Feb. 23, 2019
USD ($)
Sep. 28, 2019
USD ($)
segment
Segment Information      
Number of reportable segments | segment     6
Power barge | Minimum      
Segment Information      
Project cost $ 160   $ 160
Ethanol plant | Pork      
Acquisition      
Asset purchase   $ 40  
Disposed of by sale | Power      
Segment Information      
Percentage of ownership 29.90%   29.90%
Disposal      
Percentage of ownership 29.90%   29.90%
Proceeds from sale of affiliate $ 23    
Selling expenses and taxes on sale of affiliate 1    
Long term notes receivable 6   $ 6
Gain (loss) on sale of affiliate $ 0