v3.8.0.1

Balance Sheet Account Details - Summary of Property and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2017	Jan. 01, 2017
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 1,347	$ 1,040
Accumulated depreciation	(416)	(327)
Total property and equipment, net	931	713
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	331	270
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	316	274
Computer hardware and software [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	185	156
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	34	24
Building [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	155	9
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 326	$ 307

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
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X

- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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-Subparagraph (b)
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+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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-Subparagraph (SX 210.7-03(a)(8))
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