Number of financing shares issued as part of business combination and forward purchase agreement.

No definition available.

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Period Type:	duration

- Definition

Number of shares of common stock outstanding after redemption.

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of shares outstanding in connection with forward purchase agreement.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Number of founder shares issued during the period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
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- Definition

Number of right shares issued during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	cntm_
Data Type:	xbrli:sharesItemType
Balance Type:	na
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- Definition

Number of shares effected as a result of business combination exchange ratio.

+ References

No definition available.

+ Details

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

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Balance Type:	na
Period Type:	instant

- Definition

Number of new stock issued during the period.

+ References

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- Definition

Number of stock bought back by the entity at the exercise price or redemption price.

+ References

+ Details

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REVERSE RECAPITALIZATION - Shares issued following consummation of business combination (Details) - shares		12 Months Ended
	Jul. 12, 2024	Dec. 31, 2024	Mar. 31, 2026	Mar. 26, 2026	Mar. 25, 2026	Dec. 31, 2025	Jul. 11, 2024
REVERSE RECAPITALIZATION
Common Stock, Outstanding	660,127	909,165	5,312,911	5,312,911	169,968,082	4,789,230	121,837
Stock Redeemed or Called During Period, Shares	(114,551)	(114,551)
Common stock of MCAC		7,286
MCAC founder shares		71,875
Rights issued to shareholders		28,750
Shares purchased by investor		101,515
Business Combination and forward purchase agreement financing shares		209,425
Legacy ConnectM shares		450,702
Issuance of Representative Shares (in shares)		249,039