XML 51 R35.htm IDEA: XBRL DOCUMENT v3.19.1

Franchise Arrangements - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2019
Franchisor Disclosure [Abstract]
Franchise Agreement Period	20 years

X

- Definition

Franchise Agreement Period

+ References

No definition available.

+ Details

Name:	mcd_FranchiseAgreementPeriod
Namespace Prefix:	mcd_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Franchisor Disclosure [Abstract]

+ References

No definition available.

+ Details

Name:	mcd_FranchisorDisclosureAbstract
Namespace Prefix:	mcd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration