XML 50 R38.htm IDEA: XBRL DOCUMENT v3.20.2

Updates to Significant Accounting Policies Capitalized Software (Details) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($)
Capitalized Software [Abstract]
Asset Impairment Charges	$ 26.3

X

- Definition

Capitalized Software [Abstract]

+ References

No definition available.

+ Details

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

X

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228

+ Details

Name:	us-gaap_AssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration