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Changes in DaVita Inc.'s ownership interest in consolidated subsidiaries - Effects of Changes in DaVita Inc's Ownership Interest on Company's Equity (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net (loss) income attributable to DaVita Inc.	$ (214,476)	$ 571,332	$ 360,222	$ 722,148
Net transfers to noncontrolling interests	0	(604)	195	(5,135)
Net (loss) income attributable to DaVita Inc., net of transfers to noncontrolling interests	(214,476)	570,728	360,417	717,013
Additional paid-in capital
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Purchases of noncontrolling interests	$ 0	$ (604)	$ 195	$ (5,135)

X

- Definition

Minority interest increase decrease from distributions return of capital and other changes to noncontrolling interest holders.

+ References

No definition available.

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- Definition

This element represents the total net income attributable to the parent for the period and the effect of net changes during the period impacting the parent's ownership interest in a subsidiary as it relates to the total (consolidated) equity attributable to the parent. The changes to the parent's ownership interest in a subsidiary represented by this element did not result in a deconsolidation of the subsidiary from the consolidated financial statements.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 4M
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- Definition

The increase (decrease) during the period impacting the parent's ownership interest in a subsidiary as it relates to the total (consolidated) equity attributable to the parent. The changes to the parent's ownership interest in a subsidiary represented by this element did not arise in a deconsolidation of the subsidiary from the consolidated financial statements.

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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