Additional Financial Information - Components of Other Current Liabilities (Detail) - USD ($) $ in Millions	Mar. 31, 2021	Jun. 30, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Other current liabilities	$ 923	$ 838
Other Current Liabilities
Accounts, Notes, Loans and Financing Receivable [Line Items]
Royalties and commissions payable	239	169
Current operating lease liabilities	139	131
Allowance for sales returns	188	174
Current tax payable	6	50
Other	351	314
Total Other current liabilities	$ 923	$ 838