v2.4.1.9
Fair Value of Financial Instruments - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Debt instrument, carrying amount $ 8,519,642us-gaap_DebtInstrumentCarryingAmount $ 8,433,603us-gaap_DebtInstrumentCarryingAmount
Senior Secured Credit Facilities    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Debt instrument, carrying amount 4,441,292us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_LongtermDebtTypeAxis
= dva_SeniorSecuredCreditFacilitiesMember
 
Debt instrument, fair value 4,420,238us-gaap_DebtInstrumentFairValue
/ us-gaap_LongtermDebtTypeAxis
= dva_SeniorSecuredCreditFacilitiesMember
 
Senior Notes    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Debt instrument, carrying amount 3,775,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember
 
Debt instrument, fair value $ 3,924,715us-gaap_DebtInstrumentFairValue
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_SeniorNotesMember