v3.22.2.2
Revenue Recognition Disaggregation of Revenue by type of activity and reporting segment (Details) - USD ($)
$ in Millions
 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2020
Disaggregation of Revenue [Line Items]      
Inter-segment revenue elimination $ (17) $ (19) $ (10)
Net revenue 4,828 3,998 3,094
Softgel and Oral Technologies [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 1,246 1,012 1,062
Softgel and Oral Technologies [Member] | Manufacturing & Commercial Product Supply [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 1,081 877 955
Softgel and Oral Technologies [Member] | Development Services [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 165 135 107
Softgel and Oral Technologies [Member] | Clinical Supply Services [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 0 0 0
Biologics [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 2,549 1,928 1,021
Biologics [Member] | Manufacturing & Commercial Product Supply [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 607 533 332
Biologics [Member] | Development Services [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 1,942 1,395 689
Biologics [Member] | Clinical Supply Services [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 0 0 0
Oral and Specialty Drug Delivery [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 650 686 676
Oral and Specialty Drug Delivery [Member] | Manufacturing & Commercial Product Supply [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 403 455 450
Oral and Specialty Drug Delivery [Member] | Development Services [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 247 231 226
Oral and Specialty Drug Delivery [Member] | Clinical Supply Services [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 0 0 0
Clinical Supply Services [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 400 391 345
Clinical Supply Services [Member] | Manufacturing & Commercial Product Supply [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 0 0 0
Clinical Supply Services [Member] | Development Services [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 0 0 0
Clinical Supply Services [Member] | Clinical Supply Services [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 400 391 345
Total Catalent before inter-segment revenue elimination [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 4,845 4,017 3,104
Total Catalent before inter-segment revenue elimination [Member] | Manufacturing & Commercial Product Supply [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 2,091 1,865 1,737
Total Catalent before inter-segment revenue elimination [Member] | Development Services [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue 2,354 1,761 1,022
Total Catalent before inter-segment revenue elimination [Member] | Clinical Supply Services [Member]      
Disaggregation of Revenue [Line Items]      
Net revenue $ 400 $ 391 $ 345