The amount of spectrum purchase option fair value under the business combination.

No definition available.

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- Definition

Represents the fair value of investments in marketable debt and equity securities. It also represents the fair values of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

+ References

No definition available.

+ Details

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- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

No definition available.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=121572278&loc=d3e13433-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

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- Definition

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.

+ Details

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Marketable Investment Securities, Restricted Cash and Cash Equivalents, and Other Investment Securities - Investments Measured at Fair Value On A Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Jul. 01, 2020
Fair value of marketable securities
Fair value of derivative	$ 687,000	$ 691,000
Fair value measurements on recurring basis
Fair value of marketable securities
Cash Equivalents (including restricted)	4,354,289	3,330,296
Total	146,832	387,420
Fair value measurements on recurring basis \| US Treasury and agency securities
Fair value of marketable securities
Total	2,500	65,992
Fair value measurements on recurring basis \| Commercial paper
Fair value of marketable securities
Total	139,781	298,435
Fair value measurements on recurring basis \| Corporate securities
Fair value of marketable securities
Total	2,900	22,552
Fair value measurements on recurring basis \| Other
Fair value of marketable securities
Total	1,651	441
Fair value measurements on recurring basis \| Level 1
Fair value of marketable securities
Cash Equivalents (including restricted)	63,388	363,123
Total	2,500	65,992
Fair value measurements on recurring basis \| Level 1 \| US Treasury and agency securities
Fair value of marketable securities
Total	2,500	65,992
Fair value measurements on recurring basis \| Level 2
Fair value of marketable securities
Cash Equivalents (including restricted)	4,290,901	2,967,173
Total	144,138	321,233
Fair value measurements on recurring basis \| Level 2 \| Commercial paper
Fair value of marketable securities
Total	139,781	298,435
Fair value measurements on recurring basis \| Level 2 \| Corporate securities
Fair value of marketable securities
Total	2,900	22,552
Fair value measurements on recurring basis \| Level 2 \| Other
Fair value of marketable securities
Total	1,457	246
Fair value measurements on recurring basis \| Level 3
Fair value of marketable securities
Total	194	195
Fair value measurements on recurring basis \| Level 3 \| Other
Fair value of marketable securities
Total	$ 194	$ 195
Boost Mobile Aquisition [Member]
Fair value of marketable securities
Spectrum purchase option fair value			$ 713,000