|
Changes in Goodwill by Reportable Segments (Detail) (USD $) In Thousands, unless otherwise specified
|
3 Months Ended |
12 Months Ended |
|
Mar. 31, 2015
|
Dec. 31, 2014
|
| Goodwill [Line Items] |
|
|
| Beginning balance |
$ 9,415,295us-gaap_Goodwill |
$ 9,212,974us-gaap_Goodwill |
| Acquisitions |
31,607us-gaap_GoodwillAcquiredDuringPeriod |
221,514us-gaap_GoodwillAcquiredDuringPeriod |
| Divestitures |
|
(1,851)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit |
| Foreign currency and other adjustments |
(15,512)us-gaap_GoodwillTranslationAdjustments |
(17,342)us-gaap_GoodwillTranslationAdjustments |
| Ending balance |
9,431,390us-gaap_Goodwill |
9,415,295us-gaap_Goodwill |
| U.S. dialysis and related lab services |
|
|
| Goodwill [Line Items] |
|
|
| Beginning balance |
|
5,469,473us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
| Acquisitions |
|
143,021us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
| Divestitures |
|
(1,851)us-gaap_GoodwillWrittenOffRelatedToSaleOfBusinessUnit / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
| Ending balance |
5,610,643us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
5,610,643us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_USDialysisAndRelatedLabServicesMember |
| HealthCare Partners (HCP) |
|
|
| Goodwill [Line Items] |
|
|
| Beginning balance |
3,562,534us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
3,516,162us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
| Acquisitions |
24,039us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
48,649us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
| Foreign currency and other adjustments |
|
(2,277)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
| Ending balance |
3,586,573us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
3,562,534us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = dva_HealthcarePartnersMember |
| Other-Ancillary services and strategic initiatives |
|
|
| Goodwill [Line Items] |
|
|
| Beginning balance |
242,118us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
227,339us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
| Acquisitions |
7,568us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
29,844us-gaap_GoodwillAcquiredDuringPeriod / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
| Foreign currency and other adjustments |
(15,512)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
(15,065)us-gaap_GoodwillTranslationAdjustments / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
| Ending balance |
$ 234,174us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |
$ 242,118us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember |