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Property, Plant and Equipment, Net (Tables)
12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment, Net.  
Schedule of property, plant and equipment

December 31,

($ in millions)

    

2021

    

2020

Land

$

167

$

163

Buildings

2,081

1,653

Machinery and equipment

6,876

6,214

Construction-in-progress

1,179

883

10,303

8,913

Accumulated depreciation

(3,801)

(3,562)

$

6,502

$

5,351