Commitments and Contingencies - Part 2 (Details)			12 Months Ended
	Sep. 23, 2016 USD ($)	Aug. 18, 2015 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Feb. 10, 2016 patent
Loss contingencies
Impairment of long-lived assets					$ 356,418,000
Loss contingency terms
Number Of patents | patent						4
Wireless
Loss contingencies
Network development current and future expenditures			$ 10,000,000,000	$ 10,000,000,000
Northstar Spectrum And SNR Holdco | AWS-3 Licenses
Loss contingencies
Interim Build-out Requirement (as a percent)			40.00%
Final Build-out Requirement (as a percent)			75.00%
Accelerated period to meet Final Build-Out Requirement on failure to meet Interim Build-Out Requirement			2 years
Northstar Wireless or Northstar Spectrum | AWS-3 Licenses
Loss contingency terms
Percentage of bidding credit			25.00%
Northstar Wireless or Northstar Spectrum | AWS-3 Licenses | Vermont National Telephone Company
Loss contingency terms
Recovery amount	$ 10,000,000,000
Bidding credit value	3,300,000,000
Northstar Wireless or Northstar Spectrum | AWS-3 Licenses | Minimum | Vermont National Telephone Company
Loss contingency terms
Claim amount	5,500
Northstar Wireless or Northstar Spectrum | AWS-3 Licenses | Maximum | Vermont National Telephone Company
Loss contingency terms
Claim amount	$ 11,000
Northstar Wireless or Northstar Spectrum | SNR Licenses
Loss contingency terms
Percentage of bidding credit		25.00%
Northstar Wireless or Northstar Spectrum | Northstar Licenses
Loss contingency terms
Bidding credit value		$ 1,961,000,000
SNR Wireless or SNR Wireless Holdco | SNR Licenses
Loss contingency terms
Percentage of bidding credit			25.00%
Bidding credit value		$ 1,370,000,000