Date or period when the acquirer obtains control of the asset

No definition available.

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- Definition

Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, resulting from means other than a business combination (e.g., an asset group purchase).

+ References

No definition available.

+ Details

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- Definition

Number of markets served

+ References

No definition available.

+ Details

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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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- Definition

Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585

+ Details

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- 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=118932676&loc=d3e3213-108585

+ Details

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- Details

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- Details

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Acquisitions, Dispositions And Other Adjustments (Other Acquisitions Narrative) (Details) - Spectrum Licenses [Member] $ in Millions	1 Months Ended	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Indefinite-lived Intangible Assets [Line Items]
Assets Acquisition - acquisition period	Dec. 01, 2019
Auction 1000 [Member]
Indefinite-lived Intangible Assets [Line Items]
Payments to Acquire Intangible Assets	$ 982		$ 2,348
Net Cash Provided by (Used in) Investing Activities, Continuing Operations		$ 1,438
Acquisition of intangible assets through a group purchase - value/amount of assets acquired		$ 910
Assets Acquisition - acquisition period		Apr. 01, 2017
Assets Acquisition - number of markets (as shown)		18