| Cover Document | Oct. 28, 2021 |
| Cover [Abstract] | |
| Entity Central Index Key | 0001418135 |
| Entity Incorporation, State or Country Code | DE |
| Document Type | 8-K |
| Document Period End Date | Oct. 28, 2021 |
| Entity Registrant Name | Keurig Dr Pepper Inc. |
| Entity File Number | 001-33829 |
| Entity Tax Identification Number | 98-0517725 |
| Entity Address, Address Line One | 53 South Avenue |
| Entity Address, City or Town | Burlington |
| Entity Address, State or Province | MA |
| Entity Address, Postal Zip Code | 01803 |
| City Area Code | 781 |
| Local Phone Number | 418-7000 |
| Title of 12(b) Security | Common stock |
| Trading Symbol | KDP |
| Security Exchange Name | NASDAQ |
| 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 |
