Royalties And Licenses (Schedule Of Royalty-Related Assets) (Details) - USD ($) $ in Millions	Jun. 30, 2023	Mar. 31, 2023
Royalties and Licenses
Royalty-related assets	$ 125	$ 136
Other Current Assets
Royalties and Licenses
Royalty-related assets	92	105
Other assets
Royalties and Licenses
Royalty-related assets	$ 33	$ 31