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Property, Plant and Equipment (Tables)
12 Months Ended
Sep. 30, 2025
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, plant and equipment consisted of the following (in millions):
 September 30,
 20252024
Buildings and improvements$1,095 $1,033 
Subscriber systems989 973 
Machinery and equipment3,597 3,374 
Construction in progress382 418 
Land47 48 
Total property, plant and equipment6,110 5,846 
Less: Accumulated depreciation(3,917)(3,443)
Property, plant and equipment - net$2,193 $2,403