v2.4.1.9
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