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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		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net income attributable to DaVita Inc.	$ 267,276	$ 127,001	$ 445,962	$ 574,698
Sales of noncontrolling interests	3	0	79	0
Purchases of noncontrolling interests	(10,203)		(12,197)
Purchases of noncontrolling Interests		618		195
Net transfers to noncontrolling interests	(10,200)	618	(12,118)	195
Net income attributable to DaVita Inc., net of transfers to noncontrolling interests	257,076	127,619	433,844	574,893
DaVita Inc. | Reportable Legal Entities
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net income attributable to DaVita Inc.	$ 267,276	$ 127,001	$ 445,962	$ 574,698

X

- Definition

Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Changes Purchase or Sale Of Interest By Parent.

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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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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.

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- Definition

Represents the purchase by the parent of an additional equity interest in a subsidiary during the period, thereby effecting a change in total (consolidated) equity attributable to the parent. The purchase of the additional equity interest represented by this element increases the parent's controlling interest in the subsidiary.

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- Definition

Represents a sale by the parent of a portion of its equity interest in a subsidiary during the period, thereby effecting a change in total (consolidated) equity attributable to the parent. The sale of the equity interest represented by this element does not result in a loss of control by the parent.

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Amount after income tax of income (loss) including the portion attributable to nonredeemable noncontrolling interest. Excludes the portion attributable to redeemable noncontrolling interest recognized as temporary equity.

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