Charter documents and Delaware law [Abstract]

No definition available.

Name:	dva_CharterdocumentsandDelawarelawAbstract
Namespace Prefix:	dva_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Period During Which The Company Is Subject To Section 203 Of The Delaware General Corporation Law limitation. The Company is subject to Section 203 of the Delaware General Corporation Law which, subject to exceptions, would prohibit the Company from engaging in any business combinations with any interested stockholder, as defined in that section, for a period three years following the date on which that stockholder became an interested stockholder.

+ References

No definition available.

+ Details

Name:	dva_PeriodDuringWhichTheCompanyIsSubjectToSection203OfTheDelawareGeneralCorporationLawLimitation
Namespace Prefix:	dva_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Terminated Remaining Prior Share Repurchases Authorized, Amount.

+ References

No definition available.

+ Details

Name:	dva_TerminatedRemainingPriorShareRepurchasesAuthorizedAmount
Namespace Prefix:	dva_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

+ Details

Name:	srt_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04(16)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1

+ Details

Name:	us-gaap_PreferredStockSharesAuthorized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

No definition available.

+ Details

Name:	us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481549/505-30-45-1

+ Details

Name:	us-gaap_TreasuryStockAcquiredAverageCostPerShare
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

+ Details

Name:	us-gaap_TreasuryStockSharesAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares of common and preferred stock retired from treasury during the period.

+ References

+ Details

Name:	us-gaap_TreasuryStockSharesRetired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_TreasuryStockValueAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-SubTopic 10
-Topic 505
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481112/505-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481549/505-30-45-1

+ Details

Name:	us-gaap_TreasuryStockValueAcquiredCostMethod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	srt_ShareRepurchaseProgramAxis=dva_OpenMarketPurchasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_TreasuryStockCommonMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Shareholder's equity (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Feb. 09, 2026	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Aug. 21, 2025	Sep. 05, 2024	Dec. 10, 2020
Stock repurchases
Repurchase of common stock (in shares)		12,679,000	9,833,000	2,904,000
Value of treasury stock acquired		$ 1,788,370	$ 1,389,072	$ 285,710
Treasury stock acquired, average cost per share		$ 140.09	$ 140.06	$ 97.82
Terminated Remaining Prior Share Repurchases Authorized, Amount							$ 329,302
Share Repurchase Program, Authorized, Amount					$ 2,000,000	$ 2,000,000
Retirement of treasury stock (in shares)		22,512,000	0
Charter documents and Delaware law:
Preferred stock, shares authorized (in shares)		5,000,000	5,000,000
Period During Which The Company Is Subject To Section 203 Of The Delaware General Corporation Law Limitation		3 years
Open Market Purchases
Stock repurchases
Repurchase of common stock (in shares)		9,292,000	9,833,000	2,904,000
Value of treasury stock acquired		$ 1,303,737	$ 1,389,072	$ 285,710
Treasury stock acquired, average cost per share		$ 138.98	$ 140.06	$ 97.82
Treasury Stock, Common
Stock repurchases
Repurchase of common stock (in shares)		12,679,000	9,833,000	2,904,000
Value of treasury stock acquired		$ (1,788,370)	$ (1,389,072)	$ (285,710)
Retirement of treasury stock (in shares)		22,512,000		2,904,000
Subsequent Event
Stock repurchases
Repurchase of common stock (in shares)	1,773,000
Value of treasury stock acquired	$ 216,581
Treasury stock acquired, average cost per share	$ 122.08
Share Repurchase Program, Remaining Authorized, Amount	$ 1,941,688