Accumulated Other Comprehensive Loss, Net of Tax (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Accumulated other comprehensive income (loss) [Line Items]
Provision for income tax	$ 139	$ 76
Accumulated other comprehensive loss, net	(228)		(239)
Other comprehensive income (loss) before reclassifications	18
Net losses (gains) reclassified from accumulated other comprehensive income	(7)
Net current period other comprehensive income (loss)	11
Accumulated Translation Adjustment
Accumulated other comprehensive income (loss) [Line Items]
Accumulated other comprehensive loss, net	(57)		(53)
Other comprehensive income (loss) before reclassifications	(4)
Net losses (gains) reclassified from accumulated other comprehensive income	0
Net current period other comprehensive income (loss)	(4)
Accumulated Net Unrealized Investment Gain (Loss)
Accumulated other comprehensive income (loss) [Line Items]
Provision for income tax	29	18
Accumulated other comprehensive loss, net	50		31
Other comprehensive income (loss) before reclassifications	24
Net losses (gains) reclassified from accumulated other comprehensive income	(5)
Net current period other comprehensive income (loss)	19
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated other comprehensive income (loss) [Line Items]
Provision for income tax	(67)	(66)
Accumulated other comprehensive loss, net	(109)		(106)
Other comprehensive income (loss) before reclassifications	(1)
Net losses (gains) reclassified from accumulated other comprehensive income	(2)
Net current period other comprehensive income (loss)	(3)
Accumulated Defined Benefit Plans Adjustment
Accumulated other comprehensive income (loss) [Line Items]
Provision for income tax	(61)	(61)
Accumulated other comprehensive loss, net	(110)		(110)
Other comprehensive income (loss) before reclassifications	0
Net losses (gains) reclassified from accumulated other comprehensive income	0
Net current period other comprehensive income (loss)	0
Non-controlling Interest in VMware
Accumulated other comprehensive income (loss) [Line Items]
Accumulated other comprehensive loss, net	(2)		(1)
Other comprehensive income (loss) before reclassifications	(1)
Net losses (gains) reclassified from accumulated other comprehensive income	0
Net current period other comprehensive income (loss)	$ (1)