| Document And Entity Information | Feb. 10, 2020 |
| Cover [Abstract] | |
| Entity Registrant Name | WARNER CHILCOTT LIMITED |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Central Index Key | 0001620602 |
| Document Period End Date | Feb. 10, 2020 |
| Entity Emerging Growth Company | false |
| Entity File Number | 001-36887 |
| Entity Incorporation, State or Country Code | D0 |
| Entity Tax Identification Number | 98-0496358 |
| Entity Address, Address Line One | Canon’s Court |
| Entity Address, Address Line Two | Victoria Place, 5th Floor |
| Entity Address, City or Town | Hamilton |
| Entity Address, Postal Zip Code | HM 10 |
| Entity Address, Country | BM |
| City Area Code | 441 |
| Local Phone Number | 295-2244 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
