Supplemental Financial Information - Depreciation, amortization and impairment (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Depreciation of property, plant and equipment	$ 547	$ 518	$ 478
Amortization of internal use software	1,398	1,529
Total	1,988	2,047	1,987
In-process R&D (IPR&D) \| Freescale Semiconductor Ltd
Finite-Lived Intangible Assets [Line Items]
Impairment charges			36
Internal Use Software
Finite-Lived Intangible Assets [Line Items]
Amortization of internal use software	6	8	8
Other Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Amortization of other identified intangible assets	$ 1,435	$ 1,521	$ 1,501

Amortization of Intangible Assets Including Impairment of Intangible Assets, Finite-lived

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- Definition

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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