Summary of Changes in Accumulated Other Comprehensive Income by Component (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), beginning of period	$ 1,743
Translation adjustments and other, net of tax effects of $33 and $91	62	169
Net current period other comprehensive loss	(26)	(45)
Net current period other comprehensive income	952	274
Accumulated other comprehensive income (loss), end of period	2,731	1,820
Derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), beginning of period	66	92
Unrealized losses, net of tax effects of $(2) and $(11)	(8)	(23)
Tax expense included in provision for income taxes	1	13
Amounts reclassified from accumulated other comprehensive income	(18)	(22)
Net current period other comprehensive loss	(26)	(45)
Accumulated other comprehensive income (loss), end of period	40	47
Derivatives | Revenue
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification adjustments for gains included in revenue	(19)	(35)
Investments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), beginning of period	1,794	1,431
Unrealized gains, net of tax effects of $490 and $143	947	264
Tax benefit included in provision for income taxes	(2)	(5)
Amounts reclassified from accumulated other comprehensive income	5	10
Net current period other comprehensive income	952	274
Accumulated other comprehensive income (loss), end of period	2,746	1,705
Investments | Other Income
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reclassification adjustments for losses included in other income (expense)	7	15
Translation Adjustments and Other
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated other comprehensive income (loss), beginning of period	(117)	(101)
Translation adjustments and other, net of tax effects of $33 and $91	62	169
Accumulated other comprehensive income (loss), end of period	$ (55)	$ 68