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Fair Value Measurements (Summary Of Changes In Liabilities Level 3 Fair Value Measurements) (Details) (USD $)
In Millions, unless otherwise specified |
6 Months Ended | |
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Jun. 30, 2012
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Jun. 30, 2011
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| Debt balance at beginning of period | $ (85) | $ (144) |
| Foreign exchange translation adjustment | (1) | (4) |
| Accretion of promissory note | (2) | |
| Redemptions of principal | 67 | 46 |
| Debt balance at end of period | (19) | (104) |
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Debt Level 3 [Member]
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| Debt instrument, interest rate, effective percentage | 3.125% | |
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Long-Term Investments [Member]
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| Long-term investments balance at beginning of period | 84 | 94 |
| Investments | 69 | 93 |
| Redemptions of principal | (15) | (1) |
| Long-term investments balance at end of period | $ 69 | $ 93 |
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- Definition
Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Settlements that have taken place during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Settlements that have taken place during the period in relation to liabilities measured at fair value and categorized within Level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents investment securities as of the balance sheet date which may include marketable securities, derivative financial instruments, and investments accounted for under the equity method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Current period translation adjustment resulting from translating foreign currency financial statements into the reporting currency. Adjustment is not included in determining net income, but is reported in other comprehensive income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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