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Revenue Recognition (Narrative) (Details)	6 Months Ended
	Jun. 30, 2023
Majority gift card breakage revenue recognition period	1 year
Earned Points Expiration Period For Inactivity	6 months
Minimum [Member]
Earned rewards, expiration period	1 month
Maximum [Member]
Earned rewards, expiration period	2 months

X

- Definition

Earned points expiration period for inactivity.

+ References

No definition available.

+ Details

Name:	cmg_EarnedPointsExpirationPeriodForInactivity
Namespace Prefix:	cmg_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Earned rewards, expiration period.

+ References

No definition available.

+ Details

Name:	cmg_EarnedRewardsExpirationPeriod
Namespace Prefix:	cmg_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Majority gift card breakage revenue recognition period.

+ References

No definition available.

+ Details

Name:	cmg_MajorityGiftCardBreakageRevenueRecognitionPeriod
Namespace Prefix:	cmg_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: