Recently Issued Accounting Standards Franchise fee expected cumulative catch-up adjustment (Details)	Mar. 31, 2017
Franchise fees expected cumulative catch-up adjustment [Abstract]
Franchise fees expected cumulative catch-up adjustment	2.00%

Cumulative catch up adjustment to be recorded as deferred revenue upon adoption of the new revenue recognition standard. Under the new revenue recognition accounting guidance, initial franchise fees will be recognized over the franchise term and not "earned" per the contract terms, which is currently when a new store opens or at the start of a new franchise term.

No definition available.

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Namespace Prefix:	mcd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant