Supplemental Financial Information - Depreciation, amortization and impairment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Finite-Lived Intangible Assets [Line Items]
Depreciation of property, plant and equipment	$ 139	$ 135	$ 408	$ 387
Total - Depreciation, amortization and impairment	589	517	1,672	1,525
Internal Use Software
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	1	2	4	6
Other Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	449	$ 380	1,260	$ 1,132
Other Intangible Assets | Freescale [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ 36		$ 36