Dividends Declared (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Dividends [Line Items]
Declaration Date	Sep. 15, 2015	Sep. 16, 2014
Dividend Per Share	$ 0.36	$ 0.31
Record Date	Nov. 19, 2015	Nov. 20, 2014
Total Amount	$ 2,875	$ 2,547
Payment Date	Dec. 10, 2015	Dec. 11, 2014