Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2012

Goodwill and Intangible Assets Disclosure [Abstract]

Indefinite-Lived Intangible Assets

Indefinite-Lived Intangible Assets

	December 31, 2011		Net Additions		September 30, 2012
			(in millions)
FCC licenses	$	20,044	$	178	$	20,222
Trademarks	409		—		409
Goodwill	359		—		359
	$	20,812	$	178	$	20,990

Intangible Assets Subject to Amortization

		September 30, 2012							December 31, 2011
	Useful Lives	Gross Carrying Value		Accumulated Amortization			Net Carrying Value		Gross Carrying Value		Accumulated Amortization			Net Carrying Value
							(in millions)
Customer relationships	4 years	$	234	$	(224	)	$	10	$	341	$	(297	)	$	44
Other intangible assets
Trademarks	10 to 37 years	1,168		(657		)	511		1,169		(585		)	584
Reacquired rights	9 to 14 years	1,571		(752		)	819		1,571		(652		)	919
Other	9 to 10 years	134		(73		)	61		126		(57		)	69
Total other intangible assets		2,873		(1,482		)	1,391		2,866		(1,294		)	1,572
Total definite-lived intangible assets		$	3,107	$	(1,706	)	$	1,401	$	3,207	$	(1,591	)	$	1,616