CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
NET INCOME (INCLUDING NONCONTROLLING INTERESTS)	$ 410	$ 877	$ 1,620	$ 1,895
Translation adjustments:
Foreign currency translation adjustments	(1,570)	412	(1,510)	(245)
Reclassification to net income	(134)	0	(134)	(52)
Income taxes	5	(2)	(7)	(8)
Translation adjustments	(1,699)	410	(1,651)	(305)
Funded status - retirement obligations (Note 8):
Retirement program remeasurements	67	(19)	122	1
Reclassifications to net income	19	44	38	87
Income taxes	(7)	(2)	(28)	(25)
Funded status - retirement obligations	79	23	132	63
Derivative instruments (Note 5):
Current unrealized gain (loss)	92	19	110	40
Reclassifications to net income	3	(3)	(20)	(5)
Income taxes	(20)	(3)	(18)	(8)
Derivative instruments	75	13	72	27
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	(1,545)	446	(1,447)	(215)
COMPREHENSIVE INCOME (LOSS) (INCLUDING NONCONTROLLING INTERESTS)	(1,135)	1,323	173	1,680
Less: noncontrolling interests	(21)	(45)	(45)	(77)
COMPREHENSIVE INCOME (LOSS) - LINDE PLC	$ (1,156)	$ 1,278	$ 128	$ 1,603