Investments In Available-For-Sale Securities And Other Cost Investments (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified |
9 Months Ended | 3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Sep. 30, 2011 |
Sep. 30, 2010 |
Feb. 25, 2010 |
Jun. 30, 2011
Live Nation [Member]
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Sep. 30, 2011
Barnes & Noble, Inc. [Member]
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Sep. 30, 2012
Barnes & Noble, Inc. [Member]
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| Investment Owned, Balance, Shares | 204,000 | |||||
| Ownership Interest In Investee | 14.60% | 17.00% | ||||
| The total value of Non-strategic Securities | $ 2,156 | |||||
| Payments to Acquire Investments | $ 297 | $ 288 | $ 58 | $ 204 | ||
| Preferred Stock, Dividend Rate, Percentage | 7.75% | |||||
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- Definition Ownership interest in investee
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- Definition The total value of Non-Strategic Securities.
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- Definition Balance held at close of period in number of shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cash outflow associated with the purchase of all investments (debt, security, other) during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The percentage rate used to calculate dividend payments on preferred stock.
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