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Schedule of Reporting Units Goodwill Balances (Parenthetical) (Detail) | Nov. 01, 2016
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Goodwill And Intangible Assets Disclosure [Abstract] |
Decrease in operating income percentage used for assessment of fair values | 3.00%
Increase in discount rates used for assessment of fair values | 1.00%

X
- Definition Percentage change in discount rate used to evaluate fair value of reporting unit for goodwill assessment. + References No definition available. + Details
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Namespace Prefix: | dva_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage change in operating income used to evaluate fair value of reporting unit for goodwill assessment. + References No definition available. + Details
Name: | dva_PercentageChangeInOperatingIncomeUsedToEvaluateFairValueOfReportingUnitForGoodwillAssessment
Namespace Prefix: | dva_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration