|
Changes in Goodwill by Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2014
|
Dec. 31, 2013
|
| Goodwill [Line Items] |
|
|
| Beginning balance |
$ 9,212,974us-gaap_Goodwill |
$ 8,952,750us-gaap_Goodwill |
| Acquisitions |
221,514us-gaap_GoodwillAcquiredDuringPeriod |
271,267us-gaap_GoodwillAcquiredDuringPeriod |
| Divestitures |
(1,851)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit |
(2,728)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit |
| Other adjustments |
|
(8,315)us-gaap_GoodwillOtherChanges |
| Foreign currency and other adjustments |
(17,342)us-gaap_GoodwillTranslationAdjustments |
|
| Ending balance |
9,415,295us-gaap_Goodwill |
9,212,974us-gaap_Goodwill |
| U.S. dialysis and related lab services |
|
|
| Goodwill [Line Items] |
|
|
| Beginning balance |
5,469,473us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
5,309,152us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
| Acquisitions |
143,021us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
163,037us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
| Divestitures |
(1,851)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
(2,728)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
| Other adjustments |
|
12us-gaap_GoodwillOtherChanges / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
| Foreign currency and other adjustments |
|
|
| Ending balance |
5,610,643us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
5,469,473us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
| HealthCare Partners (HCP) |
|
|
| Goodwill [Line Items] |
|
|
| Beginning balance |
3,516,162us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
3,506,571us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
| Acquisitions |
48,649us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
17,833us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
| Divestitures |
|
|
| Other adjustments |
|
(8,242)us-gaap_GoodwillOtherChanges / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
| Foreign currency and other adjustments |
(2,277)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
|
| Ending balance |
3,562,534us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
3,516,162us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
| Other-Ancillary services and strategic initiatives |
|
|
| Goodwill [Line Items] |
|
|
| Beginning balance |
227,339us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
137,027us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
| Acquisitions |
29,844us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
90,397us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
| Divestitures |
|
|
| Other adjustments |
|
(85)us-gaap_GoodwillOtherChanges / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
| Foreign currency and other adjustments |
(15,065)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
|
| Ending balance |
$ 242,118us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
$ 227,339us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |