v2.4.1.9

Goodwill - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Goodwill [Line Items] |  |  |
Goodwill | $ 9,415,295us-gaap_Goodwill | $ 9,212,974us-gaap_Goodwill | $ 8,952,750us-gaap_Goodwill
Goodwill impairment charge description | For example, a sustained, long-term reduction of 3% in operating income for HCP California, HCP Nevada and HCP New Mexico could reduce their estimated fair values by up to 2.5%, 2.8% and 3.0%, respectively. Separately, an increase in their respective discount rates of 100 basis points could reduce the estimated fair values of HCP California, HCP Nevada and HCP New Mexico by up to 5.3%, 5.9% and 6.3%, respectively. |  |
Pre-tax goodwill impairment charge | 0us-gaap_GoodwillImpairmentLoss | 0us-gaap_GoodwillImpairmentLoss |
HealthCare Partners (HCP) |  |  |
Goodwill [Line Items] |  |  |
Number of reporting units | 3us-gaap_NumberOfReportingUnits / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |  |
Goodwill | 3,562,534us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember | 3,516,162us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember | 3,506,571us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember
HealthCare Partners (HCP) | Long-term Reduction of 3% Percent Operating Income |  |  |
Goodwill [Line Items] |  |  |
Decrease in operating income percentage used for assessment of fair values | 3.00%dva_PercentageChangeInOperatingIncomeUsedToEvaluateFairValueOfReportingUnitForGoodwillAssessment / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementScenarioAxis = dva_ReductionOf3PercentInOperatingIncomeMember |  |
HealthCare Partners (HCP) | Increase In Discount Rates By 100 Basis Points |  |  |
Goodwill [Line Items] |  |  |
Increase in discount rates used for assessment of fair values | 1.00%dva_PercentageChangeInDiscountRateUsedToEvaluateFairValueOfReportingUnitForGoodwillAssessment / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementScenarioAxis = dva_IncreaseInDiscountRatesBy100BasisPointsMember |  |
HealthCare Partners (HCP) | California |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 2,511,477us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementGeographicalAxis = stpr_CA |  |
Percentage of Fair value in excess of carrying amount | 5.60%us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementGeographicalAxis = stpr_CA |  |
HealthCare Partners (HCP) | California | Long-term Reduction of 3% Percent Operating Income |  |  |
Goodwill [Line Items] |  |  |
Percentage of Fair value in excess of carrying amount | (2.50%)us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementGeographicalAxis = stpr_CA / us-gaap_StatementScenarioAxis = dva_ReductionOf3PercentInOperatingIncomeMember |  |
HealthCare Partners (HCP) | California | Increase In Discount Rates By 100 Basis Points |  |  |
Goodwill [Line Items] |  |  |
Percentage of Fair value in excess of carrying amount | (5.30%)us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementGeographicalAxis = stpr_CA / us-gaap_StatementScenarioAxis = dva_IncreaseInDiscountRatesBy100BasisPointsMember |  |
HealthCare Partners (HCP) | Nevada |  |  |
Goodwill [Line Items] |  |  |
Goodwill | 517,618us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementGeographicalAxis = stpr_NV |  |
Percentage of Fair value in excess of carrying amount | 12.40%us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementGeographicalAxis = stpr_NV |  |
HealthCare Partners (HCP) | Nevada | Long-term Reduction of 3% Percent Operating Income |  |  |
Goodwill [Line Items] |  |  |
Percentage of Fair value in excess of carrying amount | (2.80%)us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementGeographicalAxis = stpr_NV / us-gaap_StatementScenarioAxis = dva_ReductionOf3PercentInOperatingIncomeMember |  |
HealthCare Partners (HCP) | Nevada | Increase In Discount Rates By 100 Basis Points |  |  |
Goodwill [Line Items] |  |  |
Percentage of Fair value in excess of carrying amount | (5.90%)us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementGeographicalAxis = stpr_NV / us-gaap_StatementScenarioAxis = dva_IncreaseInDiscountRatesBy100BasisPointsMember |  |
HealthCare Partners (HCP) | New Mexico |  |  |
Goodwill [Line Items] |  |  |
Goodwill | $ 72,130us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementGeographicalAxis = stpr_NM |  |
Percentage of Fair value in excess of carrying amount | 9.70%us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementGeographicalAxis = stpr_NM |  |
HealthCare Partners (HCP) | New Mexico | Long-term Reduction of 3% Percent Operating Income |  |  |
Goodwill [Line Items] |  |  |
Percentage of Fair value in excess of carrying amount | (3.00%)us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementGeographicalAxis = stpr_NM / us-gaap_StatementScenarioAxis = dva_ReductionOf3PercentInOperatingIncomeMember |  |
HealthCare Partners (HCP) | New Mexico | Increase In Discount Rates By 100 Basis Points |  |  |
Goodwill [Line Items] |  |  |
Percentage of Fair value in excess of carrying amount | (6.30%)us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember / us-gaap_StatementGeographicalAxis = stpr_NM / us-gaap_StatementScenarioAxis = dva_IncreaseInDiscountRatesBy100BasisPointsMember |  |

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- 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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- Definition Percentage change in operating income used to evaluate fair value of reporting unit for goodwill assessment. + References No definition available. + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Description of a change in the estimated amount of a goodwill impairment charge, including the facts and circumstances, including a change in assumptions, underlying the change in estimate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 35 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=35740277&loc=d3e12323-109265 + 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Reporting Unit -URI http://asc.fasb.org/extlink&oid=6523643 + Details
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- Definition Percentage of fair value of reporting unit in excess of carrying amount. + References No definition available. + Details
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