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Acquisitions (Details) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended
	Jun. 30, 2020	Dec. 31, 2019	Nov. 30, 2019
Business Acquisition [Line Items]
Goodwill	$ 20,824	$ 20,624
Patents and developed technology
Business Acquisition [Line Items]
Acquired intangible assets, weighted-average useful life	3 years 9 months 18 days
Trade names and other
Business Acquisition [Line Items]
Acquired intangible assets, weighted-average useful life	5 years
Customer relationships
Business Acquisition [Line Items]
Acquired intangible assets, weighted-average useful life	5 years
Other acquisitions
Business Acquisition [Line Items]
Total consideration	$ 378
Acquired intangible assets	129
Goodwill	201
Net assets acquired	$ 48
Fitbit
Business Acquisition [Line Items]
Share price (in dollars per share)			$ 7.35
Purchase price			$ 2,100