| Document And Entity Information Document And Entity Information | Apr. 23, 2024 |
| Cover [Abstract] | |
| Document type | 8-K |
| Document period end date | Apr. 23, 2024 |
| Entity registrant name | DANAHER CORPORATION |
| Entity incorporation, state | DE |
| Entity file number | 001-08089 |
| Entity tax identification number | 59-1995548 |
| Entity address, address line one | 2200 Pennsylvania Avenue, N.W., |
| Entity address, address line two | Suite 800W |
| Entity address, city | Washington, |
| Entity address, state | DC |
| Entity address, postal zip code | 20037-1701 |
| City area code | 202 |
| Local phone number | 828-0850 |
| Written communications | false |
| Soliciting material | false |
| Pre-commencement tender offer | false |
| Pre-commencement issuer tender offer | false |
| Entity emerging growth company | false |
| Amendment flag | false |
| Entity central index key | 0000313616 |
| Entity Listings [Line Items] | |
| Document period end date | Apr. 23, 2024 |
| Common stock, $0.01 par value | |
| Entity Listings [Line Items] | |
| Title of 12(b) security | Common stock, $0.01 par value |
| Trading symbol | DHR |
| Security exchange name | NYSE |
| 0.200% Senior Notes due 2026 | |
| Entity Listings [Line Items] | |
| Title of 12(b) security | 0.200% Senior Notes due 2026 |
| Trading symbol | DHR/26 |
| Security exchange name | NYSE |
| 2.100% Senior Notes due 2026 | |
| Entity Listings [Line Items] | |
| Title of 12(b) security | 2.100% Senior Notes due 2026 |
| Trading symbol | DHR 26 |
| Security exchange name | NYSE |
| 1.200% Senior Notes due 2027 | |
| Entity Listings [Line Items] | |
| Title of 12(b) security | 1.200% Senior Notes due 2027 |
| Trading symbol | DHR/27 |
| Security exchange name | NYSE |
| 0.450% Senior Notes due 2028 | |
| Entity Listings [Line Items] | |
| Title of 12(b) security | 0.450% Senior Notes due 2028 |
| Trading symbol | DHR/28 |
| Security exchange name | NYSE |
| 2.500% Senior Notes due 2030 | |
| Entity Listings [Line Items] | |
| Title of 12(b) security | 2.500% Senior Notes due 2030 |
| Trading symbol | DHR 30 |
| Security exchange name | NYSE |
| 0.750% Senior Notes due 2031 | |
| Entity Listings [Line Items] | |
| Title of 12(b) security | 0.750% Senior Notes due 2031 |
| Trading symbol | DHR/31 |
| Security exchange name | NYSE |
| 1.350% Senior Notes due 2039 | |
| Entity Listings [Line Items] | |
| Title of 12(b) security | 1.350% Senior Notes due 2039 |
| Trading symbol | DHR/39 |
| Security exchange name | NYSE |
| 1.800% Senior Notes due 2049 | |
| Entity Listings [Line Items] | |
| Title of 12(b) security | 1.800% Senior Notes due 2049 |
| Trading symbol | DHR/49 |
| Security exchange name | NYSE |
