Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Name:	us-gaap_PaymentsForRestructuring
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b)(1))
-URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(d))
-URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

+ Details

Name:	us-gaap_RestructuringReserve
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of expense (reversal of expense) which increases (decreases) the restructuring reserve from an adjustment to a previously accrued restructuring liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b)(2))
-URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

+ Details

Name:	us-gaap_RestructuringReserveAccrualAdjustment1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_RestructuringPlanAxis=us-gaap_SpecialTerminationBenefitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringPlanAxis=us-gaap_ContractTerminationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RestructuringPlanAxis=us-gaap_OtherRestructuringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=mcd_USMarketMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=mcd_InternationalOperatedMarketsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=mcd_InternationalDevelopmentalLicensedMarketsandCorporateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Restructuring (Summary of Accrued Expenses Balance) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2023	Jan. 01, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 93,200,000	$ 163,200,000	$ 93,200,000	$ 0
Restructuring and Related Cost, Incurred Cost	18,700,000	180,500,000	199,000,000
Payments for Restructuring	(86,200,000)	(3,200,000)
Restructuring Reserve, Accrual Adjustment	(2,500,000)	(14,100,000)
Special Termination Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	72,300,000	108,800,000	72,300,000
Restructuring and Related Cost, Incurred Cost	(8,800,000)	110,300,000
Payments for Restructuring	(27,700,000)	(1,500,000)
Restructuring Reserve, Accrual Adjustment	0	0
Contract Termination
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	19,400,000	25,500,000	19,400,000
Restructuring and Related Cost, Incurred Cost	5,600,000	26,900,000
Payments for Restructuring	(11,700,000)	(1,400,000)
Restructuring Reserve, Accrual Adjustment	0	0
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1,500,000	28,900,000	1,500,000
Restructuring and Related Cost, Incurred Cost	21,900,000	43,300,000
Payments for Restructuring	(46,800,000)	(300,000)
Restructuring Reserve, Accrual Adjustment	$ (2,500,000)	$ (14,100,000)
U.S.
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost			62,000,000
International Operated Markets
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost			72,000,000
International Developmental Licensed Markets and Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost			$ 65,000,000