Additional Financial Information - Schedule of Other Liabilities (Detail) - USD ($) $ in Millions	Mar. 31, 2023	Jun. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Non-current operating lease liabilities	$ 930	$ 405
Accrued non-current pension/postretirement liabilities	426	447
Other non-current liabilities	222	268
Total other liabilities	$ 1,578	$ 1,120