Additional Financial Information - Components of Other Current Liabilities (Detail) - USD ($) $ in Millions		Sep. 30, 2018	Jul. 01, 2018	Jun. 30, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for sales returns	[1]	$ 0		$ (171)
Total Other current liabilities		643	$ 566	372
Other Current Liabilities [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Current tax payable		16		17
Allowance for sales returns		196		0
Royalties and commissions payable		201		187
Other		230		168
Total Other current liabilities		$ 643		$ 372

[1] As a result of the adoption of the new revenue recognition standard, the Company reclassified the allowance for sales returns from Receivables to Other current liabilities. See Note 2 - Revenue