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Sale of McDonald's Businesses in China and Hong Kong (Details) $ in Millions	9 Months Ended
	Sep. 30, 2017 USD ($) Restaurant	Sep. 30, 2016 Restaurant
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of Restaurants | Restaurant	36,976	36,615
China and Hong Kong [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal | $	$ 850
Number of Restaurants | Restaurant	2,700
Disposal Group, Including Discontinued Operation, Consideration | $	$ 1,600
Ownership percentage to be retained	20.00%

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2443-110228

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Name Accounting Standards Codification
-Topic 323
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-Section 50
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Represents the number of restaurants.

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