Incentive Payments to Acquire Intangible Assets

No definition available.

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- Definition

Indefinite-lived Intangible Asset, Loss From Transfer to Held-for-Sale

+ References

No definition available.

+ Details

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- Definition

Indefinite-lived Intangible Assets, Transferred to Held for Sale

+ References

No definition available.

+ Details

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- Definition

Indefinite-lived Intangible Assets, Costs to Clear Assets

+ References

No definition available.

+ Details

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Balance Type:	debit
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- Definition

Number of Licenses Acquired

+ References

No definition available.

+ Details

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- Definition

Payments in Acquire Intangible Assets, Down Payment

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Period Type:	instant

- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.

+ References

No definition available.

+ Details

Name:	us-gaap_IndefinitelivedIntangibleAssetsAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585

+ Details

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- Details

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- Details

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Goodwill, Spectrum License Transactions and Other Intangible Assets - Spectrum Licenses (Details) $ in Millions		1 Months Ended		12 Months Ended
	Apr. 08, 2020 USD ($)	Apr. 30, 2020 USD ($)	Mar. 31, 2020 USD ($) license	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Oct. 31, 2019 USD ($)
Indefinite-lived Intangible Assets [Roll Forward]
Purchase of spectrum licenses				$ 1,333	$ 967	$ 127
Licensing Agreements
Indefinite-lived Intangible Assets [Roll Forward]
Beginning balance				36,465	35,559
Spectrum license acquisitions				1,023	857
Spectrum licenses transferred to held for sale				(83)	0
Costs to clear spectrum				23	49
Ending balance				82,828	36,465	$ 35,559
Loss from transfer to held-for-sale				35
Licensing Agreements \| Auction 103
Indefinite-lived Intangible Assets [Roll Forward]
Number of licenses \| license			2,384
Purchase of spectrum licenses	$ 698		$ 873
Incentive payments			59
Asset purchase deposit							$ 82
Down payment			$ 93
Licensing Agreements \| Auction 103 \| Sprint
Indefinite-lived Intangible Assets [Roll Forward]
Number of licenses \| license			127
Sprint \| Licensing Agreements
Indefinite-lived Intangible Assets [Roll Forward]
Spectrum license acquisitions				$ 45,400	$ 0
Sprint \| Licensing Agreements \| 800 MHz, 1.9 GHz and 2.5 GHz
Indefinite-lived Intangible Assets [Roll Forward]
Purchase of spectrum licenses		$ 45,400