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Inventories (Tables)
3 Months Ended
Mar. 28, 2020
Inventory Disclosure [Abstract]  
Inventories
Inventories consisted of the following (in millions):
March 28, 2020December 28, 2019
Packaging and ingredients$666  $511  
Work in process377  364  
Finished products1,788  1,846  
Inventories$2,831  $2,721