Leases - Narrative (Details) ft² in Millions, $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Oct. 05, 2018
USD ($)
ft²
item
|
Dec. 31, 2020
USD ($)
|
Dec. 31, 2019
USD ($)
|
|
| Leases | |||
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | $ 35 | $ 173 | |
| Operating lease liability | $ 383 | $ 413 | |
| Operating lease, existence of option to extend | true | ||
| Maximum | |||
| Leases | |||
| Renewal term | 14 years | ||
| QVC | ECDC Lease | |||
| Leases | |||
| Area of leased building (in square feet) | ft² | 1.7 | ||
| Initial term of lease (in years) | 15 years | ||
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | $ 141 | ||
| Operating lease liability | $ 131 | ||
| Operating lease, existence of option to extend | true | ||
| Maximum number of consecutive terms eligible for extension | item | 2 | ||
| Renewal term | 5 years | ||
| Final renewal term | 4 years | ||
| QVC | ECDC Lease | Minimum | |||
| Leases | |||
| Operating Lease, rent expenses | $ 10 | ||
| QVC | ECDC Lease | Maximum | |||
| Leases | |||
| Operating Lease, rent expenses | $ 14 | ||