Property, Plant and Equipment (Notes)

12 Months Ended

Sep. 30, 2017

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT AND EQUIPMENT

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment consisted of the following (in millions):

	September 30,
	2017			2016
Buildings and improvements	$	2,445		$	2,107
Subscriber systems	571			448
Machinery and equipment	5,572			5,137
Construction in progress	1,252			990
Land	373			367
Total property, plant and equipment	10,213			9,049
Less: accumulated depreciation	(4,092		)	(3,417		)
Property, plant and equipment - net	$	6,121		$	5,632

Interest costs capitalized during the fiscal years ended September 30, 2017, 2016 and 2015 were $27 million, $19 million and $25 million, respectively. Accumulated depreciation related to capital leases at September 30, 2017 and 2016 was $13 million and $16 million, respectively.