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Quarterly Results (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | ||||||||||||||||||
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Dec. 31, 2011
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Sep. 30, 2011
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Jun. 30, 2011
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Mar. 31, 2011
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Dec. 31, 2010
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Sep. 30, 2010
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Jun. 30, 2010
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Mar. 31, 2010
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Quarterly Financial Information [Line Items] | ||||||||||||||||||||
| Sales by Company-operated restaurants | $ 4,587.2 | $ 4,855.5 | $ 4,697.4 | $ 4,152.7 | $ 4,170.2 | $ 4,246.6 | $ 4,013.4 | $ 3,803.1 | $ 18,292.8 | $ 16,233.3 | $ 15,458.5 | |||||||||
| Revenues from franchised restaurants | 2,235.5 | 2,310.8 | 2,208.0 | 1,958.9 | 2,043.9 | 2,058.3 | 1,932.1 | 1,807.0 | 8,713.2 | 7,841.3 | 7,286.2 | |||||||||
| Total revenues | 6,822.7 | 7,166.3 | 6,905.4 | 6,111.6 | 6,214.1 | 6,304.9 | 5,945.5 | 5,610.1 | 27,006.0 | 24,074.6 | 22,744.7 | |||||||||
| Operating income | 2,120.0 | 2,394.7 | 2,189.1 | 1,825.9 | 1,857.2 | 2,096.5 | 1,845.3 | 1,674.1 | [1] | 8,529.7 | 7,473.1 | 6,841.0 | ||||||||
| Net income | 1,376.6 | 1,507.3 | 1,410.2 | 1,209.0 | 1,242.3 | 1,388.4 | 1,225.8 | 1,089.8 | [1] | 5,503.1 | 4,946.3 | 4,551.0 | ||||||||
| Earnings per common share-basic | $ 1.35 | $ 1.47 | $ 1.36 | $ 1.16 | $ 1.18 | $ 1.31 | $ 1.14 | $ 1.01 | [1] | $ 5.33 | $ 4.64 | $ 4.17 | ||||||||
| Earnings per common share-diluted | $ 1.33 | $ 1.45 | $ 1.35 | $ 1.15 | $ 1.16 | $ 1.29 | $ 1.13 | $ 1.00 | [1] | $ 5.27 | $ 4.58 | $ 4.11 | ||||||||
| Dividends declared per common share | $ 1.31 | [2] | $ 0.61 | $ 0.61 | $ 1.16 | [3] | $ 0.55 | $ 0.55 | $ 2.53 | $ 2.26 | $ 2.05 | |||||||||
| Weighted-average common shares-basic | 1,022.0 | 1,028.8 | 1,035.6 | 1,042.4 | 1,055.0 | 1,061.0 | 1,072.1 | 1,076.0 | 1,032.1 | 1,066.0 | 1,092.2 | |||||||||
| Weighted-average common shares-diluted | 1,034.7 | 1,041.3 | 1,047.7 | 1,054.6 | 1,068.8 | 1,074.9 | 1,085.9 | 1,090.1 | 1,044.9 | 1,080.3 | 1,107.4 | |||||||||
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Company-operated
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| Quarterly Financial Information [Line Items] | ||||||||||||||||||||
| Margin | 856.1 | 972.2 | 890.6 | 736.0 | 790.4 | 892.6 | 798.6 | 692.2 | ||||||||||||
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Franchised
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| Quarterly Financial Information [Line Items] | ||||||||||||||||||||
| Margin | $ 1,857.5 | $ 1,934.6 | $ 1,835.0 | $ 1,604.6 | $ 1,684.1 | $ 1,713.9 | $ 1,597.8 | $ 1,467.7 | ||||||||||||
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Maximum
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| Quarterly Financial Information [Line Items] | ||||||||||||||||||||
| Market price per common share | $ 101.00 | $ 91.22 | $ 84.91 | $ 77.59 | $ 80.94 | $ 76.26 | $ 71.84 | $ 67.49 | $ 101.00 | $ 80.94 | ||||||||||
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Minimum
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| Quarterly Financial Information [Line Items] | ||||||||||||||||||||
| Market price per common share | $ 83.74 | $ 82.01 | $ 75.66 | $ 72.14 | $ 74.40 | $ 65.31 | $ 65.55 | $ 61.06 | $ 83.74 | $ 74.40 | ||||||||||
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Close Price
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| Quarterly Financial Information [Line Items] | ||||||||||||||||||||
| Market price per common share | $ 100.33 | $ 87.82 | $ 84.32 | $ 76.09 | $ 76.76 | $ 74.51 | $ 65.87 | $ 66.72 | $ 100.33 | $ 76.76 | ||||||||||
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