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Quarterly Results (Table Footnotes) (Detail)	3 Months Ended
	Sep. 30, 2014 $ / shares
Quarterly Financial Information Disclosure [Abstract]
Dividends declared per common share, amount declared and paid in third quarter	$ 0.81
Dividends declared per common share, amount declared in third quarter and paid in fourth quarter	$ 0.85

X

- Definition

Per share dividends declared and paid during the period for each share of common stock outstanding.

+ References

No definition available.

+ Details

Name:	mcd_CommonStockDividendsPerShareDeclaredAndPaid
Namespace Prefix:	mcd_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding but not paid until later period

+ References

No definition available.

+ Details

Name:	mcd_CommonStockDividendsPerShareDeclaredNotPaidInSamePeriod
Namespace Prefix:	mcd_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_QuarterlyFinancialInformationDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration