Summarization for Foreign Currency Forward Purchase and Sale Contracts (Detail) (Foreign Exchange Forward Contracts [Member]) In Millions, unless otherwise specified	Jun. 30, 2014 Long [Member] Australian dollars [Member] AUD	Jun. 30, 2014 Long [Member] British pounds [Member] GBP (£)	Jun. 30, 2014 Long [Member] European euro [Member] EUR (€)	Jun. 30, 2014 Long [Member] South African Rand [Member] ZAR	Jun. 30, 2014 Long [Member] Japanese yen [Member] JPY (¥)	Jun. 30, 2014 Long [Member] Polish Zloty [Member] PLN	Jun. 30, 2014 Long [Member] U.S. dollars [Member] USD ($)	Jun. 30, 2014 Long [Member] Other Currency [Member] USD ($)	Jun. 30, 2014 Short [Member] Australian dollars [Member] GBP (£)	Jun. 30, 2014 Short [Member] British pounds [Member] GBP (£)	Jun. 30, 2014 Short [Member] Canada, Dollars CAD	Jun. 30, 2014 Short [Member] European euro [Member] EUR (€)	Jun. 30, 2014 Short [Member] South African Rand [Member] EUR (€)	Jun. 30, 2014 Short [Member] Japanese yen [Member] JPY (¥)	Jun. 30, 2014 Short [Member] U.S. dollars [Member] USD ($)
Derivative [Line Items]
Notional Amount in Foreign Currency	2	£ 34	€ 2	127	¥ 271	25	$ 29	$ 1	£ (1)	£ (2)	(18)	€ (9)	€ (3)	¥ (531)	$ (74)