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Property, Plant And Equipment
9 Months Ended
Jun. 30, 2018
Property, Plant and Equipment, Net [Abstract]  
Property, Plant And Equipment
PROPERTY, PLANT AND EQUIPMENT
The major categories of property, plant and equipment and accumulated depreciation are as follows (in millions): 

June 30, 2018
 
September 30, 2017
Land
$
142

 
$
138

Buildings and leasehold improvements
4,026

 
3,878

Machinery and equipment
7,429

 
7,111

Land improvements and other
348

 
323

Buildings and equipment under construction
727

 
492

 
12,672

 
11,942

Less accumulated depreciation
6,747

 
6,374

Net property, plant and equipment
$
5,925

 
$
5,568