Represents value of bidding credit.

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- Definition

The amount of license fee payment entitled for recovery to be paid by the company.

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The amount of interest on damages sought in a legal matter.

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Loss Contingency Recovery Amount

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Number Of Patents

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Represents the percentage of bidding credit.

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No definition available.

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- Definition

Wireless spectrum licenses accelerated period to meet final build-out requirement on failure to meet interim build out requirement.

+ References

No definition available.

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Represents the percentage of population in each area covered by an individual license to which the entity must provide reliable signal coverage and offer service by the end of license term.

+ References

No definition available.

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Represents the percentage of population in each area covered by an individual license to which the entity must provide reliable signal coverage and offer service within some specified period.

+ References

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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Commitments and Contingencies - Part 2 (Details)					3 Months Ended
Commitments and Contingencies - Part 2 (Details)	Oct. 01, 2018 USD ($)	Sep. 23, 2016 USD ($)	Aug. 18, 2015 USD ($)	Mar. 14, 2014 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Sep. 27, 2019 USD ($)	Oct. 02, 2016 patent
Loss contingencies
Impairment of long-lived assets						$ 356,418,000
Loss contingency terms
Number Of Patents \| patent								4
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
Loss contingency terms
Percentage Of Bidding Credit					25.00%
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
Percentage Of Bidding Credit		25.00%
Recovery amount		$ 10,000,000,000
Bidding Credit		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			$ 1,961,000,000
SNR Wireless or SNR Wireless Holdco \| SNR Licenses
Loss contingency terms
Percentage Of Bidding Credit					25.00%
Bidding Credit			$ 1,370,000,000
Pending Litigation [Member] \| ClearPlay
Loss contingency terms
Claim amount				$ 543,000,000
Litigation With Turner Network Sales Inc
Loss contingency terms
Claim amount	$ 159,000,000				$ 206,000,000
Claimed interest	$ 24,000,000
License fee payment							$ 20,000,000
Realtime Adaptive Streaming [Member]
Loss contingency terms
Claim amount					$ 42,000,000