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Intangible Assets (Notes)

v2.4.0.6

Intangible Assets (Notes)	3 Months Ended
	Mar. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]	Ìý
Goodwill and Intangible Assets Disclosure [Text Block]	Intangible Assets Goodwill Changes in the carrying amounts of goodwill are as follows: Ìý SIRIUS XM Ìý ANLBC Ìý Other Ìý Total Ìý amounts in millions Balance at JanuaryÌý1, 2013 $ — Ìý 180 Ìý 20 Ìý 200 Acquisitions (1) 14,015 Ìý — Ìý — Ìý 14,015 Balance at March 31, 2013 $ 14,015 Ìý 180 Ìý 20 Ìý 14,215 (1) The increase to SIRIUS XM goodwill was the result of the acquisition of a controlling interest in SIRIUS XM in January 2013, see note 1 for further discussion. Other major intangible assets not subject to amortization, not separately disclosed, are SIRIUS XM tradenames ($930 million) and ANLBC franchise rights ($143 million) at March 31, 2013. The increase from December 31, 2012 was due to the acquisition of SIRIUS XM in January 2013 as discussed in note 1. Intangible Assets Subject to Amortization Intangible assets subject to amortization are comprised of the following: Ìý March 31, 2013 Ìý December 31, 2012 Ìý Gross carrying amount Ìý Accumulated amortization Ìý Net carrying amount Ìý Gross carrying amount Ìý Accumulated amortization Ìý Net carrying amount Ìý amounts in millions Customer relationships $ 621 Ìý (34 ) Ìý 587 Ìý 51 Ìý (23 ) Ìý 28 Licensing agreements 310 Ìý (6 ) Ìý 304 Ìý — Ìý — Ìý — Other 592 Ìý (444 ) Ìý 148 Ìý 515 Ìý (435 ) Ìý 80 ÌýÌýÌýÌýTotal $ 1,523 Ìý (484 ) Ìý 1,039