v3.25.4

STOCKHOLDERS' EQUITY - Capital Stock Information (Details) - USD ($)		3 Months Ended													12 Months Ended
	May 31, 2021	Mar. 31, 2026	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jul. 12, 2018
Share Repurchase Program [Line Items]
Common stock, shares issued (in shares)			85,500,000				85,100,000								85,500,000	85,100,000
Common Stock, unissued shares (in shares)			214,500,000												214,500,000
Value of treasury stock on an average cost basis (in dollars)			$ 722,000,000				$ 672,000,000								$ 722,000,000	$ 672,000,000
Preferred stock, shares authorized (in shares)			50,000,000												50,000,000
Preferred stock, par value per share (in dollars per share)			$ 0.01												$ 0.01
Preferred stock, shares outstanding (in shares)			0				0								0	0
Tax benefit related to stock-based compensation arrangements (in dollars)															$ 6,000,000
Common stock authorized to repurchase			$ 150,000,000												$ 150,000,000			$ 150,000,000	$ 300,000,000
Common stock dividends declared (in dollars per share)			$ 0.17	$ 0.17	$ 0.17	$ 0.17	$ 0.17	$ 0.17	$ 0.17	$ 0.17	$ 0.17	$ 0.17	$ 0.15	$ 0.15
Treasury stock (in shares)			20,600,000				19,400,000								20,600,000	19,400,000
Subsequent Event
Share Repurchase Program [Line Items]
Common stock dividends declared (in dollars per share)		$ 0.17
Common Stock
Share Repurchase Program [Line Items]
Common stock, shares outstanding (in shares)			64,900,000				65,700,000				66,100,000				64,900,000	65,700,000	66,100,000	66,800,000
Stock Options and Restricted Stock
Share Repurchase Program [Line Items]
Common Stock reserved for contingently issuable shares (in shares)			1,700,000												1,700,000
Restricted Stock, Time-Based
Share Repurchase Program [Line Items]
Percentage of awards vesting															64.00%
Performance Shares
Share Repurchase Program [Line Items]
Percentage of awards vesting															25.00%
Market Condition Award
Share Repurchase Program [Line Items]
Percentage of awards vesting															11.00%
Restricted Stock Awards
Share Repurchase Program [Line Items]
Granted (in shares)															982,971
Unrecognized compensation costs (in dollars)			$ 46,000,000												$ 46,000,000
Weighted average period of unrecognized compensation costs will be recognized (in years)															1 year 8 months 12 days
Total fair value of shares vested (in dollars)															$ 34,000,000	$ 45,000,000	$ 31,000,000
Granted (in dollars per shares)															$ 41.50	$ 59.62	$ 57.53
All Company Stock Plans
Share Repurchase Program [Line Items]
Number of common shares held in rabbi trust (in shares)			700,000												700,000
Value of common shares held in rabbi trust (in dollars)			$ 22,000,000												$ 22,000,000
Terex Corporation 2018 Omnibus Incentive Plan
Share Repurchase Program [Line Items]
Additional shares authorized (in shares)	2,000,000
Shares available for grant (in shares)			1,400,000												1,400,000

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