Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
NET INCOME (INCLUDING NONCONTROLLING INTERESTS)	$ 4,281	$ 3,961	$ 2,626
Translation adjustments:
Foreign currency translation adjustments	(1,725)	(1,116)	565
Reclassifications to net income	(110)	(52)	0
Income taxes	0	(7)	30
Translation adjustments	(1,835)	(1,175)	595
Funded status - retirement obligations (Note 16):
Retirement program remeasurements	1,349	826	(675)
Reclassifications to net income	80	175	92
Income taxes	(359)	(255)	114
Funded status - retirement obligations	1,070	746	(469)
Derivative instruments (Note 12):
Current year unrealized gain (loss)	107	140	(3)
Reclassifications to net income	(129)	(49)	42
Income taxes	9	(20)	(8)
Derivative instruments	(13)	71	31
TOTAL OTHER COMPREHENSIVE INCOME (LOSS)	(778)	(358)	157
COMPREHENSIVE INCOME (INCLUDING NONCONTROLLING INTERESTS)	3,503	3,603	2,783
Less: noncontrolling interests	(90)	(135)	(158)
COMPREHENSIVE INCOME - LINDE PLC	$ 3,413	$ 3,468	$ 2,625