Dispositions and Other Income/(Expense) (Detail) - USD ($) $ in Millions	12 Months Ended
Sep. 28, 2019	Sep. 29, 2018	Sep. 30, 2017
Schedule of Other Income and Expense [Line Items]
Hulu Gain	$ 4,794	$ 0	$ 0
Charge for the extinguishment of a portion of the debt originally assumed in the TFCF acquisition	(511)	0	0
Insurance recoveries (settlements) related to legal matters	46	38	(177)
Gain on sale of real estate, property rights and other	28	560	0
Gain related to the acquisition of BAMTech	0	3	255
Other income, net	$ 4,357	$ 601	$ 78

[Line Items] for Schedule of Other Income and Expense [Table]

No definition available.

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- Definition

In a business combination achieved in stages, this element represents the amount of net gain (loss) recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

+ References

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-Publisher FASB
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-Section 50
-Paragraph 2
-Subparagraph (g)(2)
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- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (c)
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- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

+ References

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Amount of income related to nonoperating activities, classified as other.

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