Goodwill and Other Intangible Assets, Net Impairment (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Impairment [Line Items] | |||
| Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | $ 147 | $ 30 | $ 0 |
| HSN, Inc. | |||
| Impairment [Line Items] | |||
| Tradenames (indefinite life) | $ 597 | $ 627 | |
| Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure | 450 | ||
| Intangible Asset, Impaired, Accumulated Impairment Loss | $ 177 | ||
| X | ||||||||||
- Definition [Line Items] for Impairment [Table] No definition available.
|
| X | ||||||||||
- Definition Amount of accumulated impairment loss for an intangible asset. No definition available.
|
| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Fair value portion of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a projected indefinite period of benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|