Commitments and Contingencies (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Loss Contingency, Estimate [Abstract]
Accrual for legal proceedings and unasserted claims	$ 0
FCC license auction, percent of bid credit in each auction	25.00%
Maximum
Loss Contingency, Estimate [Abstract]
Accrual for legal proceedings and unasserted claims		$ 1