Subsequent Events - Narrative (Details) - USD ($) |
1 Months Ended | 3 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
Feb. 01, 2021 |
Jun. 30, 2021 |
Jan. 14, 2021 |
Dec. 31, 2020 |
Oct. 30, 2020 |
Oct. 28, 2020 |
Oct. 06, 2020 |
Jun. 24, 2020 |
Apr. 09, 2020 |
|
| Subsequent Event [Line Items] | |||||||||
| Principal Issuances | $ 54,750,000,000 | ||||||||
| Senior Notes | |||||||||
| Subsequent Event [Line Items] | |||||||||
| Principal Issuances | $ 4,750,000,000 | $ 4,000,000,000.0 | $ 4,000,000,000.0 | $ 19,000,000,000.0 | |||||
| Senior Secured Term Loan Commitment | |||||||||
| Subsequent Event [Line Items] | |||||||||
| Principal Issuances | $ 5,000,000,000.0 | ||||||||
| Subsequent Event | Senior Notes | |||||||||
| Subsequent Event [Line Items] | |||||||||
| Principal Issuances | $ 3,000,000,000.0 | ||||||||
| Subsequent Event | Scenario, Forecast | Shentel | |||||||||
| Subsequent Event [Line Items] | |||||||||
| Total consideration exchanged | $ 1,900,000,000 | $ 1,900,000,000 | |||||||
| Subsequent Event | Senior Secured Term Loan Commitment | |||||||||
| Subsequent Event [Line Items] | |||||||||
| Total outstanding obligation | $ 2,000,000,000.0 |