Investments In Affiliates Accounted For Using The Equity Method (Narrative) (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended | ||||||||||||||||||||
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Dec. 31, 2012
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Jun. 30, 2012
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Dec. 31, 2011
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Jun. 30, 2011
Live Nation [Member]
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Dec. 31, 2012
Live Nation [Member]
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Dec. 31, 2011
Live Nation [Member]
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Dec. 31, 2010
Live Nation [Member]
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Jan. 18, 2013
SIRIUS XM [Member]
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Dec. 31, 2012
SIRIUS XM [Member]
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Dec. 31, 2011
SIRIUS XM [Member]
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Dec. 31, 2010
SIRIUS XM [Member]
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Purchase of shares in equity method investee | 听 | 听 | 听 | 听 | 听 | 听 | 5,500,000 | 11,000,000 | 听 | 听 | 50,000,000 | 312,500,000 | 听 | 听 | ||||||||||||
Payments to Acquire Equity Method Investments | 听 | 听 | 听 | 听 | 听 | 听 | 听 | $ 107 | 听 | 听 | 听 | $ 769 | 听 | 听 | ||||||||||||
underlying shares on forward contract | 听 | 听 | 听 | 听 | 听 | 听 | 听 | 听 | 听 | 听 | 听 | 302,200,000 | 听 | 听 | ||||||||||||
payment under forward contract | 听 | 听 | 听 | 听 | 听 | 听 | 听 | 听 | 听 | 听 | 听 | 649 | 听 | 听 | ||||||||||||
Income Tax Expense (Benefit) | (104) | 听 | 211 | 600 | 333 | (571) | 听 | 听 | 听 | 听 | 听 | 2,998 | 14 | 5 | ||||||||||||
Share of earnings (losses) of affiliates, net | 听 | (1,229) | 听 | (1,346) | (87) | 98 | 听 | 45 | [1],[2] | 22 | [1],[2] | 34 | [1] | 听 | (1,367) | [1],[3] | (94) | [1],[3] | 41 | [1],[3] | ||||||
Equity Method Investment, Quoted Market Value | 听 | 听 | 听 | 听 | 听 | 听 | 听 | $ 469 | 听 | 听 | 听 | $ 9,372 | 听 | 听 | ||||||||||||
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