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Goodwill and Intangible Assets, Net Narrative (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2020 USD ($) item | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Goodwill and Intangible Assets [Line Items] |  |  |  |  |  |
Amortization expense associated with definite-lived intangible assets |  |  |  | $ 44 | $ 40 | $ 47
Impairment of goodwill |  |  | $ 3 |  |  |
2021 |  |  | 63 |  |  |
2022 |  |  | 60 |  |  |
2023 |  |  | 60 |  |  |
2024 |  |  | 59 |  |  |
2025 |  |  | 57 |  |  |
Thereafter |  |  | 278 |  |  |
Net Carrying Value |  |  | 577 | $ 369 |  |
WPH |  |  |  |  |  |
Goodwill and Intangible Assets [Line Items] |  |  |  |  |  |
Impairment of goodwill | $ 3 |  |  |  |  |
Automotive Segment |  |  |  |  |  |
Goodwill and Intangible Assets [Line Items] |  |  |  |  |  |
Impairment of goodwill |  | $ 87 |  |  |  |
Home Fashion Segment |  |  |  |  |  |
Goodwill and Intangible Assets [Line Items] |  |  |  |  |  |
Impairment of goodwill |  |  | 3 |  |  |
Pharma Segment |  |  |  |  |  |
Goodwill and Intangible Assets [Line Items] |  |  |  |  |  |
Business combination, definite-lived intangible assets acquired |  |  | $ 271 |  |  |
Pharma Segment | Vivus |  |  |  |  |  |
Goodwill and Intangible Assets [Line Items] |  |  |  |  |  |
Number of approved therapies | item |  |  | 2 |  |  |
Number of product candidate in active clinical development | item |  |  | 1 |  |  |
Automotive parts [Member] |  |  |  |  |  |
Goodwill and Intangible Assets [Line Items] |  |  |  |  |  |
Goodwill, Change in Goodwill Allocation, Description |  | 27.00% |  |  |  |
Developed Technology |  |  |  |  |  |
Goodwill and Intangible Assets [Line Items] |  |  |  |  |  |
Business combination, definite-lived intangible assets acquired |  |  | $ 250 |  |  |
Net Carrying Value |  |  | $ 248 |  |  |
Developed Technology | Pharma Segment | Vivus |  |  |  |  |  |
Goodwill and Intangible Assets [Line Items] |  |  |  |  |  |
Number of approved therapies | item |  |  | 2 |  |  |
Developed Technology | Pharma Segment | Minimum | Vivus |  |  |  |  |  |
Goodwill and Intangible Assets [Line Items] |  |  |  |  |  |
Useful life |  |  | 5 years |  |  |
Developed Technology | Pharma Segment | Maximum | Vivus |  |  |  |  |  |
Goodwill and Intangible Assets [Line Items] |  |  |  |  |  |
Useful life |  |  | 18 years |  |  |
In Process Research and Development [Member] |  |  |  |  |  |
Goodwill and Intangible Assets [Line Items] |  |  |  |  |  |
Business combination, definite-lived intangible assets acquired |  |  | $ 21 |  |  |

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