|
Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
9 Months Ended | |||
|---|---|---|---|---|
|
Feb. 28, 2014
|
Feb. 28, 2013
|
Feb. 28, 2013
Prior Year Revision [Member]
|
May 31, 2013
Prior Year Revision [Member]
|
|
| Significant Accounting Policies [Line Items] | ||||
| Inventories | $ 96 | |||
| Increase (Decrease) in Inventories | 343 | 105 | 36 | |
| Cash provided by operations | 1,683 | 1,692 | 24 | |
| Increase in accrued liabilities | (96) | |||
| Cash flow impact from inventory related adjustment | 36 | |||
| Increase in cash provided by operations | $ 1,246 | $ (286) | $ 24 | |