CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
NET INCOME (INCLUDING NONCONTROLLING INTERESTS)	$ 1,210	$ 1,018
Translation adjustments:
Foreign currency translation adjustments	60	(657)
Reclassification to net income	0	(52)
Income taxes	(12)	(6)
Translation adjustments	48	(715)
Funded status - retirement obligations (Note 8):
Retirement program remeasurements	55	20
Reclassifications to net income	19	43
Income taxes	(21)	(23)
Funded status - retirement obligations	53	40
Derivative instruments (Note 5):
Current unrealized gain (loss)	18	21
Reclassifications to net income	(23)	(2)
Income taxes	2	(5)
Derivative instruments	(3)	14
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	98	(661)
COMPREHENSIVE INCOME (LOSS) (INCLUDING NONCONTROLLING INTERESTS)	1,308	357
Less: noncontrolling interests	(24)	(32)
COMPREHENSIVE INCOME (LOSS) - LINDE PLC	$ 1,284	$ 325