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Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2017

Licenses

Licenses

Licenses
(Dollars in millions)
Balance December 31, 2016			$	1,895
	Acquisitions			3
	Transferred to Assets held for sale			(5)
	Exchanges - Licenses received			11
Balance March 31, 2017			$	1,904

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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X

- 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://www.xbrl.org/2003/role/presentationRef
-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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-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

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