|
Recent Accounting Pronouncements - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 24, 2012
|
Jun. 12, 2010
|
|
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||
| One-time related tax charge | $ 41 | |
| Prescription drug benefit subsidy, income tax benefit | $ 55 | |