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Schedule of Reporting Units Goodwill Balances (Detail) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Goodwill [Line Items] |  |  |  |
Goodwill balance as of 12/31/2016 |  | $ 9,407,317 | $ 9,294,479 | $ 9,415,295
DaVita Medical Group (DMG) |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill balance as of 12/31/2016 |  | 3,391,942 | $ 3,398,264 | $ 3,562,534
DaVita Medical Group (DMG) | Nevada |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill balance as of 12/31/2016 |  | $ 261,204 |  |
Carrying amount coverage | [1] | 11.40% |  |
Sensitivities, Operating Income | [2] | (2.20%) |  |
Sensitivities, Discount rate | [3] | (3.90%) |  |
DaVita Medical Group (DMG) | Florida |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill balance as of 12/31/2016 |  | $ 442,835 |  |
Carrying amount coverage | [1] | 7.10% |  |
Sensitivities, Operating Income | [2] | (1.70%) |  |
Sensitivities, Discount rate | [3] | (3.20%) |  |
DaVita Medical Group (DMG) | New Mexico |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill balance as of 12/31/2016 |  | $ 70,926 |  |
Carrying amount coverage | [1] | 2.60% |  |
Sensitivities, Operating Income | [2] | (1.50%) |  |
Sensitivities, Discount rate | [3] | (2.20%) |  |
DaVita Medical Group (DMG) | Washington |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill balance as of 12/31/2016 |  | $ 244,502 |  |
Carrying amount coverage | [1] | 3.70% |  |
Sensitivities, Operating Income | [2] | (1.80%) |  |
Sensitivities, Discount rate | [3] | (3.40%) |  |
Vascular access |  |  |  |
Goodwill [Line Items] |  |  |  |
Goodwill balance as of 12/31/2016 |  | $ 34,696 |  |
Carrying amount coverage | [1] | 4.30% |  |
Sensitivities, Operating Income | [2] | (2.70%) |  |
Sensitivities, Discount rate | [3] | (5.30%) |  |
[1] | Excess of estimated fair value of the reporting unit over carrying amount as of the latest assessment date
[2] | Potential impact on estimated fair value of a sustained, long-term reduction of 3% in operating income as of the latest assessment date.
[3] | Potential impact on estimated fair value of an increase in discount rates of 100 basis points as of the latest assessment date.

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