Other Intangible Assets - Schedule of Other Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cost:
Beginning cost	$ 16,173	$ 18,368
Foreign currency translation	(836)
Disposals	(185)
Other	100	(371)
Ending cost	15,324	16,173	$ 18,368
Less: accumulated amortization:
Beginning accumulated amortization	(2,371)	(2,184)
Amortization expense (Note 7)	(571)	(723)	(765)
Foreign currency translation	98	89
Disposals (Note 2)	50	80
Other	(110)	367
Ending accumulated amortization	(2,904)	(2,371)	(2,184)
Net balance	12,420	13,802
Customer Relationships
Cost:
Beginning cost	11,859	13,776
Foreign currency translation	(660)
Disposals	(140)
Other	(16)	(354)
Ending cost	11,062	11,859	13,776
Less: accumulated amortization:
Beginning accumulated amortization	(1,541)	(1,470)
Amortization expense (Note 7)	(419)	(553)
Foreign currency translation	80	64
Disposals (Note 2)	34	66
Other	5	352
Ending accumulated amortization	(1,841)	(1,541)	(1,470)
Net balance	9,221	10,318
Brands/Tradenames
Cost:
Beginning cost	2,685	2,895
Foreign currency translation	(120)
Disposals	0
Other	0	(3)
Ending cost	2,565	2,685	2,895
Less: accumulated amortization:
Beginning accumulated amortization	(159)	(118)
Amortization expense (Note 7)	(42)	(45)
Foreign currency translation	5	3
Disposals (Note 2)	0	1
Other	0	0
Ending accumulated amortization	(196)	(159)	(118)
Net balance	2,369	2,526
Other Intangible Assets
Cost:
Beginning cost	1,629	1,697
Foreign currency translation	(56)
Disposals	(45)
Other	116	(14)
Ending cost	1,697	1,629	1,697
Less: accumulated amortization:
Beginning accumulated amortization	(671)	(596)
Amortization expense (Note 7)	(110)	(125)
Foreign currency translation	13	22
Disposals (Note 2)	16	13
Other	(115)	15
Ending accumulated amortization	(867)	(671)	$ (596)
Net balance	830	958
Linde AG
Cost:
Additions	72	73
Foreign currency translation		(672)
Disposals		(1,225)
Less: accumulated amortization:
Amortization expense (Note 7)	(474)	(618)
Linde AG | Customer Relationships
Cost:
Additions	19	12
Foreign currency translation		(490)
Disposals		(1,085)
Linde AG | Brands/Tradenames
Cost:
Additions	0	0
Foreign currency translation		(113)
Disposals		(94)
Linde AG | Other Intangible Assets
Cost:
Additions	$ 53	61
Foreign currency translation		(69)
Disposals		$ (46)