|
Commitments and Contingencies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
Feb. 28, 2014
|
|---|---|
| Commitments and Contingencies Disclosure [Abstract] | |
| Letters of credit outstanding | $ 141 |
| Operating leases, due reminder of 2014 | 124 |
| Operating leases, due 2015 | 403 |
| Operating leases, due 2016 | 375 |
| Operating leases, due 2017 | 344 |
| Operating leases, due 2018 | 295 |
| Operating leases, due thereafter | $ 1,238 |