Acquisitions and Divestments - Intangible Assets Acquired (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 06, 2019 |
Dec. 31, 2020 |
|
| Business Acquisition [Line Items] | ||
| Weighted Average Estimated Useful Life (in Years) | 4 years | |
| Marvell | ||
| Business Acquisition [Line Items] | ||
| Identified intangible assets | $ 514 | |
| Customer-related | Marvell | ||
| Business Acquisition [Line Items] | ||
| Identified intangible assets | $ 20 | |
| Weighted Average Estimated Useful Life (in Years) | 6 years | |
| Technology-based | Marvell | ||
| Business Acquisition [Line Items] | ||
| Identified intangible assets | $ 324 | |
| Weighted Average Estimated Useful Life (in Years) | 4 years 4 months 24 days | |
| In-process R&D (IPR&D) | Marvell | ||
| Business Acquisition [Line Items] | ||
| Identified intangible assets | $ 170 |