Leases (Details) (USD $) In Millions, unless otherwise specified	Aug. 31, 2014
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2015	$ 196
2016	194
2017	188
2018	182
2019	171
Thereafter	2,127
Total	3,058
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2015	17
2016	16
2017	16
2018	17
2019	17
Thereafter	327
Total	410
Less amount representing interest	(217)
Net present value of minimum lease payments	193
Less current installments	(7)	[1]
Long-term capital lease obligations less current installments	$ 186	[2]

[1] Included in other current liabilities in the accompanying consolidated balance sheets.

[2] Included in deferred income taxes and other liabilities in the accompanying consolidated balance sheets.