Acquisition, Equity-Method Investment and Licensing Arrangements - Array (Details) - USD ($) $ / shares in Units, $ in Millions		9 Months Ended
	Jul. 30, 2019	Sep. 27, 2020	Sep. 29, 2019	Dec. 31, 2019
Business Acquisition [Line Items]
Acquisition of business, net of cash acquired		$ 0	$ 10,861
Goodwill		59,902		$ 58,653
Array [Member]
Business Acquisition [Line Items]
Business acquisition, per share in cash (in dollars per share)	$ 48
Payments for acquisition, cash portion	$ 11,200
Acquisition of business, net of cash acquired	10,900
Identifiable intangible assets	6,300
Goodwill	6,100
Deferred tax liabilities	1,100
Assumed long-term debt	451
Reduction in intangible assets due to measurement period adjustments		900
Array [Member] | IPR&D [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	2,800
Array [Member] | Licensing Agreements [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	1,500
Array [Member] | Technology in development [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	1,200
Array [Member] | Developed technology [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	$ 360
Acquired intangible assets, average useful life	10 years
Array [Member] | Developed technology rights [Member]
Business Acquisition [Line Items]
Identifiable intangible assets	$ 2,000
Acquired intangible assets, average useful life	16 years
Reduction in intangible assets due to measurement period adjustments		$ (200)