Segment Information Disaggregated Revenue Within Reportable Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 49,603	$ 43,968
Operating Segments
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	49,606	43,971
Operating Segments | Pharmaceutical
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	45,828	39,822
Operating Segments | Pharmaceutical | Nuclear Precision Health Services [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	281	208
Operating Segments | Pharmaceutical | Pharmaceutical Distribution and Specialty [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	45,547	39,614
Operating Segments | Medical
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	3,778	4,149
Operating Segments | Medical | Medical distribution and products [Member]
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	3,140	3,567
Corporate
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ (3)	$ (3)