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Employee Benefit Plans (Summarization Of Estimated Current and Long-Term Cash Requirements For Deferred Compensation) (Details) $ in Thousands | Dec. 31, 2021 USD ($)
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Employee Benefit Plans [Abstract] |
Total | $ 19,330
2022 | 3,797
2023-2024 | 4,640
2025-2026 | 4,265
Thereafter | $ 6,628

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- Definition Deferred Compensation Liability, Current and Noncurrent, After Year Five + References No definition available. + Details
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- Definition Deferred Compensation Liability, Current and Noncurrent, Year One + References No definition available. + Details
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Namespace Prefix: | cmg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Deferred Compensation Liability, Current and Noncurrent, Years Four-Five + References No definition available. + Details
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Namespace Prefix: | cmg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition Deferred Compensation Liability, Current and Noncurrent, Years Two-Three + References No definition available. + Details
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Namespace Prefix: | cmg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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Balance Type: | na
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- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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