Debt Financing - Additional Information (Detail) (USD $) In Billions	Dec. 31, 2010
Debt Disclosure [Line Items]
Short-term obligations reclassification to long-term obligations	$ 1.2

Name:

mcd_ShortTermObligationsReclassificationToLongTermObligations

Namespace Prefix:

mcd

Data Type:

xbrli:monetaryItemType

Balance Type:

credit

Period Type:

instant