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Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Licenses

Licenses

Activity related to Licenses for the nine months ended September 30, 2018, is presented below:

	Licenses
(Dollars in millions)
Balance at December 31, 2017	$	2,232
Acquisitions	2
Transferred to Assets held for sale	(42		)
Divestitures	(11		)
Exchanges - Licenses received	18
Exchanges - Licenses surrendered	(1		)
Balance at September 30, 2018	$	2,198

X

- 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.

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- Definition

Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance and exist in perpetuity, by either major class or business segment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b),(d)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275

Reference 2: 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

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