Condensed Consolidated Statement of Net Income and Comprehensive Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenues
Sales by Company-operated restaurants	$ 4,838.4	$ 4,855.5	$ 13,944.1	$ 13,705.6
Revenues from franchised restaurants	2,314.0	2,310.8	6,670.8	6,477.7
Total revenues	7,152.4	7,166.3	20,614.9	20,183.3
Operating costs and expenses
Company-operated restaurant expenses	3,914.4	3,883.3	11,392.6	11,106.8
Franchised restaurants-occupancy expenses	383.4	376.2	1,134.3	1,103.5
Selling, general & administrative expenses	620.9	580.9	1,830.7	1,732.5
Impairment and other charges (credits), net	6.2	(6.6)	6.2	(4.2)
Other operating (income) expense, net	(59.7)	(62.2)	(155.7)	(165.0)
Total operating costs and expenses	4,865.2	4,771.6	14,208.1	13,773.6
Operating income	2,287.2	2,394.7	6,406.8	6,409.7
Interest expense	128.1	124.0	387.0	365.9
Nonoperating (income) expense, net	5.5	7.5	8.8	15.3
Income before provision for income taxes	2,153.6	2,263.2	6,011.0	6,028.5
Provision for income taxes	698.6	755.9	1,942.3	1,902.0
Net income	1,455.0	1,507.3	4,068.7	4,126.5
Earnings per common share-basic	$ 1.45	$ 1.47	$ 4.02	$ 3.98
Earnings per common share-diluted	$ 1.43	$ 1.45	$ 3.98	$ 3.94
Dividends declared per common share	$ 1.47	$ 1.31	$ 2.87	$ 2.53
Weighted average shares outstanding-basic	1,006.1	1,028.8	1,012.7	1,035.5
Weighted average shares outstanding-diluted	1,015.4	1,041.3	1,023.3	1,048.2
Comprehensive income	$ 1,779.7	$ 511.4	$ 4,228.5	$ 3,922.1