SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Allowance for doubtful accounts and customer deductions:
Reserves deducted in the balance sheet from the assets to which they apply:
Balance at Beginning of Period	$ 32	$ 29	$ 30
Additions Charged to Costs and Expenses	45	27	23
Additions Charged to Other Accounts	0	0	0
Deductions	14	24	24
Balance at End of Period	63	32	29
Sales return accrual:
Reserves deducted in the balance sheet from the assets to which they apply:
Balance at Beginning of Period	108	105	109
Additions Charged to Costs and Expenses	520	488	493
Additions Charged to Other Accounts	0	0	0
Deductions	514	485	497
Balance at End of Period	114	108	105
Deferred tax valuation allowance:
Reserves deducted in the balance sheet from the assets to which they apply:
Balance at Beginning of Period	49	45	42
Additions Charged to Costs and Expenses	32	11	6
Additions Charged to Other Accounts	28	0	0
Deductions	2	7	3
Balance at End of Period	107	49	45
Accrued restructuring initiatives:
Reserves deducted in the balance sheet from the assets to which they apply:
Balance at Beginning of Period	204	182	151
Additions Charged to Costs and Expenses	34	133	127
Additions Charged to Other Accounts	0	0	0
Deductions	125	111	96
Balance at End of Period	$ 113	$ 204	$ 182