Significant Accounting Policies [Line Items]

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

+ References

No definition available.

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- Definition

Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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- Definition

Amount of noncurrent assets classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) shares in Millions, $ in Millions	3 Months Ended	6 Months Ended
	Mar. 30, 2019	Mar. 30, 2019	Dec. 30, 2018	Sep. 30, 2018	Sep. 29, 2018	Dec. 31, 2017	Oct. 01, 2017
Significant Accounting Policies [Line Items]
Reduction to other non-current assets upon adoption of ASU 2016-16	$ (34,587)	$ (34,587)			$ (22,283)
Potentially dilutive securities excluded from the computation of diluted earnings per share because their effect would have been antidilutive (in shares)	31.1	30.0
Retained earnings
Significant Accounting Policies [Line Items]
Increase to retained earnings upon adoption of ASU 2016-16			$ 0	$ 2,501		$ 278	$ 278
Accounting Standards Update 2016-16
Significant Accounting Policies [Line Items]
Increase to net deferred tax assets upon adoption of ASU 2016-16				2,700
Reduction to other non-current assets upon adoption of ASU 2016-16				128
Accounting Standards Update 2016-16 \| Retained earnings
Significant Accounting Policies [Line Items]
Increase to retained earnings upon adoption of ASU 2016-16				$ 2,600