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Goodwill And Intangible Assets (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended |
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Jun. 30, 2012
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| Goodwill and Intangible Assets Disclosure [Abstract] | |
| Goodwill and intangible asset impairment | $ 28us-gaap_GoodwillAndIntangibleAssetImpairment |
| Impairment of intangible assets (excluding goodwill) | 2us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill |
| Goodwill, impairment loss | 26us-gaap_GoodwillImpairmentLoss |
| Nondeductible impairment loss | $ 27cnc_NondeductibleImpairmentLoss |
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- Definition
The portion of the impairment loss not deductible for income tax purposes. No definition available.
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- Definition
Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill. No definition available.
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- Details
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- Definition
Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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