Fair Value Measurements - Additional Information (Detail) In Millions, unless otherwise specified	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)	Sep. 23, 2013 Level 3 Corporate notes and bonds Nokia USD ($)	Sep. 23, 2013 Level 3 Corporate notes and bonds Nokia EUR (€)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	$ 92,164	$ 84,468	$ 2,100	€ 1,500

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

No definition available.

Name:	us-gaap_AssetsFairValueDisclosureRecurring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant