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.

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_ShareRepurchaseProgramLineItems
Namespace Prefix:	srt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

+ References

+ Details

Name:	srt_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix:	srt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares remaining authorized to be purchased 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_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	srt_ShareRepurchaseProgramAxis=dhr_A2013RepurchaseProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ShareRepurchaseProgramAxis=dhr_A2024RepurchaseProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ShareRepurchaseProgramAxis=dhr_A2025RepurchaseProgramMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Stockholders' Equity and Stock-Based Compensation (Share Repurchase Program) (Details) - Common stock - shares	Sep. 26, 2025	Sep. 09, 2025	Jul. 22, 2024	Jul. 16, 2013
2013 Repurchase Program
Share Repurchase Program [Line Items]
Number of shares of Company common stock approved for repurchase (in shares)				20,000,000
Number of shares remaining available for repurchases (in shares)	0
2024 Repurchase Program
Share Repurchase Program [Line Items]
Number of shares of Company common stock approved for repurchase (in shares)			20,000,000
Number of shares remaining available for repurchases (in shares)	2,000,000
2025 Repurchase Program
Share Repurchase Program [Line Items]
Number of shares of Company common stock approved for repurchase (in shares)		35,000,000
Number of shares remaining available for repurchases (in shares)	35,000,000