Earnings Per Share - Linde plc Shareholders (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Numerator
Net Income – Linde plc	$ 1,929	$ 1,550	$ 5,368	$ 4,840
Denominator
Weighted average shares outstanding (in shares)	468,021	476,813	469,884	479,077
Shares earned and issuable under compensation plans (in shares)	781	849	824	748
Weighted average shares used in basic earnings per share (in shares)	468,802	477,662	470,708	479,825
Effect of dilutive securities
Stock options and awards (in shares)	2,707	3,236	2,792	3,361
Weighted average shares used in diluted earnings per share (in shares)	471,509	480,898	473,500	483,186
Basic earnings per share (in dollars per share)	$ 4.11	$ 3.24	$ 11.40	$ 10.09
Diluted earnings per share (in dollars per share)	$ 4.09	$ 3.22	$ 11.34	$ 10.02
Antidilutive shares excluded from computation of earnings per share (in shares)	485	327	575	267