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Reconciliations of Numerators and Denominators Used to Calculate Basic and Diluted Net Income Per Share (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Basic:                      
Net income attributable to DaVita Inc. for basic earnings per share calculation                 $ 879,874 $ 269,732 $ 723,114
Weighted average shares outstanding during the period                 203,835,000 214,062,000 214,496,000
Contingently returnable shares held in escrow for the DaVita HealthCare Partners merger                 (2,194,000) (2,194,000) (2,194,000)
Weighted average shares for basic earnings per share calculation                 201,641,173 211,867,714 212,301,827
Basic net income per share attributable to DaVita Inc. $ 0.81 $ 2.80 $ 0.26 $ 0.48 $ (0.03) $ 1.02 $ 0.80 $ (0.52) $ 4.36 $ 1.27 $ 3.41
Diluted:                      
Net income attributable to DaVita Inc. for diluted earnings per share calculation                 $ 879,874 $ 269,732 $ 723,114
Weighted average shares outstanding during the period                 203,835,000 214,062,000 214,496,000
Assumed incremental shares from stock plans                 1,070,000 2,190,000 2,432,000
Weighted average shares for diluted earnings per share calculation                 204,904,656 216,251,807 216,927,681
Diluted net income per share attributable to DaVita Inc. $ 0.80 $ 2.76 $ 0.26 $ 0.47 $ (0.03) $ 1.00 $ 0.78 $ (0.52) $ 4.29 $ 1.25 $ 3.33
Anti-dilutive stock-settled awards excluded from calculation [1]                 2,523,000 1,365,000 1,715,000
[1] Shares associated with stock-settled stock appreciation rights excluded from the diluted denominator calculation because they are anti-dilutive under the treasury stock method.