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Commitments, Contingencies and Related Parties - Maximum Loss Exposure (Details) - Dec. 28, 2018 - Equity Method Investee $ in Millions, ¥ in Billions	USD ($)	JPY (¥)
Guarantor Obligations [Line Items]
VIE, reporting entity involvement, maximum loss exposure, amount	$ 3,874
Notes receivable
Guarantor Obligations [Line Items]
VIE, reporting entity involvement, maximum loss exposure, amount	1,720
Equity investments
Guarantor Obligations [Line Items]
VIE, reporting entity involvement, maximum loss exposure, amount	598
Operating lease guarantees
Guarantor Obligations [Line Items]
Operating lease guarantees	1,313	¥ 145
Inventory and prepayments
Guarantor Obligations [Line Items]
Inventory and prepayments	$ 243

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

+ 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 210.5-02.6(a))
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The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=108788376&loc=d3e5747-111685

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