v2.4.0.6
Detail of Rent Expense (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Leases Disclosure [Line Items]      
Rent Expense $ 1,712.7 $ 1,576.7 $ 1,496.3
Company-operated
     
Leases Disclosure [Line Items]      
Rent Expense 676.3 605.4 572.1
Franchised
     
Leases Disclosure [Line Items]      
Rent Expense 934.7 873.2 825.3
Other Rent Expense
     
Leases Disclosure [Line Items]      
Rent Expense 101.7 98.1 98.9
U.S. | Company-operated
     
Leases Disclosure [Line Items]      
Rent Expense 55.9 60.4 65.2
U.S. | Franchised
     
Leases Disclosure [Line Items]      
Rent Expense 420.0 409.7 393.9
Outside the U.S. | Company-operated
     
Leases Disclosure [Line Items]      
Rent Expense 620.4 545.0 506.9
Outside the U.S. | Franchised
     
Leases Disclosure [Line Items]      
Rent Expense $ 514.7 $ 463.5 $ 431.4