Reconciliation of Segment Operating Income to Income before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Mar. 31, 2018
Reconciling Items for Operating Income (Loss) from Segment to Consolidated
Segment operating income	$ 3,816	$ 4,237	$ 7,471	$ 8,223
Corporate and unallocated shared expenses	(279)	(194)	(440)	(344)
Restructuring and impairment charges	(662)	(13)	(662)	(28)
Other Income	4,963	41	4,963	94
Interest expense, net	(143)	(143)	(206)	(272)
Amortization of Intangible Assets	(105)	0	(105)	0
Equity Method Investment, Other than Temporary Impairment	(353)	0	(353)	0
Income from continuing operations before income taxes	$ 7,237	$ 3,928	$ 10,668	$ 7,673

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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