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Property, Plant and Equipment (Notes)
 12 Months Ended
Dec. 28, 2019
Property, Plant and Equipment [Abstract]  
Property, plant and equipment Property, Plant and Equipment
Property, plant and equipment consisted of the following (in millions):
 
December 28, 2019
 
December 29, 2018
Land
$
210

 
$
218

Buildings and improvements
2,447

 
2,375

Equipment and other
6,552

 
5,904

Construction in progress
1,033

 
1,165

 
10,242

 
9,662

Accumulated depreciation
(3,187
)
 
(2,584
)
Property, plant and equipment, net
$
7,055

 
$
7,078


At December 28, 2019 and December 29, 2018, property, plant and equipment, net, excluded amounts classified as held for sale. See Note 4, Acquisitions and Divestitures, for additional information. Depreciation expense was $708 million in 2019, $693 million in 2018, and $753 million in 2017.