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Supplemental Financial Information (Schedule of Comprehensive Income) (Details) (USD $)
In Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
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Jun. 30, 2011
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Jun. 30, 2010
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Jun. 30, 2011
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Jun. 30, 2010
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| Supplemental Financial Information | ||||
| Net income | $ 103 | $ 74 | $ 168 | $ 141 |
| Net change in unrealized components of defined benefit plans, net of tax | 1 | 0 | 3 | 0 |
| Currency translation adjustments | 1 | 0 | 3 | 1 |
| Total comprehensive income | $ 105 | $ 74 | $ 174 | $ 142 |
| X | ||||||||||
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- Definition
n/a
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| X | ||||||||||
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- Definition
The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The increase (decrease) in accumulated comprehensive income during the period related to pension and other postretirement benefit plans, after tax. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency of the reporting entity, net of tax. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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