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Shareholders' Equity - Unrecognized Share-based Compensation (Details) $ in Millions	3 Months Ended
	Mar. 29, 2019 USD ($)
Employee Service Share-based Compensation, Unrecognized Service Costs [Line Items]
Unamortized Compensation Costs	$ 651
Options
Employee Service Share-based Compensation, Unrecognized Service Costs [Line Items]
Unamortized Compensation Costs	$ 12
Weighted Average Service Period	1 year 2 months
RSUs and PSUs
Employee Service Share-based Compensation, Unrecognized Service Costs [Line Items]
Unamortized Compensation Costs	$ 577
Weighted Average Service Period	2 years 6 months
ESPP
Employee Service Share-based Compensation, Unrecognized Service Costs [Line Items]
Unamortized Compensation Costs	$ 62
Weighted Average Service Period	1 year 8 months

X

- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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X

- Definition

[Line Items] for Schedule of employee share-based awards, unrecognized compensation in tabular format.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

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X

- Details

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