Segment Information (Summary Of Operating Revenues And Expenses) (Narrative) (Details)	9 Months Ended
Sep. 30, 2015	Jul. 24, 2015
Segment Reporting Information [Line Items]
Number of Reportable Segments	4
DIRECTV [Member] \| Venezuelan Bolivar [Member]
Segment Reporting Information [Line Items]
Exchange rate (per US dollar)	199.42	199.65

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

Name:	us-gaap_ForeignCurrencyExchangeRateTranslation1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant