Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Jun. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of intangible assets	$ 69	$ 63	$ 137	$ 127
Estimated annual amortization of intangible assets - Remainder of Fiscal Year	144		144
Estimated annual amortization of intangible assets - Year One	267		267
Estimated annual amortization of intangible assets - Year Two	240		240
Estimated annual amortization of intangible assets - Year Three	213		213
Estimated annual amortization of intangible assets - Year Four	208		208
Goodwill [Line Items]
Goodwill	5,488		5,488		$ 4,725
Global Medical Products and Distribution
Goodwill [Line Items]
Goodwill	$ 0		$ 0		$ 0
Goodwill impairment				$ 585