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Stock-Based Compensation Plans - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Year
Mar. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Description of Holiday Stock Plan Annual awards of one share of common stock to each full-time associate for each full calendar year of service up to a maximum of 10 shares.  
Number of common stock shares to each full-time associate 10  
Shares authorized to be granted under the shareholder-approved plans 10,300,000  
Shares available for future issuance under the plans 1,900,000  
Stock based compensation $ 3 $ 2
Unrecognized compensation costs related to non-vested awards $ 31  
Expected weighted-average period to recognize the unrecognized compensation costs related to non-vested awards 2.4  
Directors
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares of common stock granted in period 24,118