v3.20.4

Assets Held for Sale - Summary of carrying value of assets deld for sale (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Assets held for sale | $ 0 | $ 50
Voice and Audio Solutions | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Inventories | 8 |
Identified intangible assets, net | 1 |
Goodwill | 41 |
Assets held for sale | $ 50 |

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