Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2022

Revenue from Contract with Customer [Abstract]

Schedule of Revenue by Distribution Method

The following tables show sales by distribution method at the consolidated level and for each reportable segment and Other for the three months ended March 31, 2022 and March 31, 2021.

(Millions of dollars)	Quarter Ended March 31, 2022
Sales	Americas		EMEA		APAC		Engineering		Other		Total		%
Merchant	$	874	$	614	$	516	$	—	$	39	$	2,043	25	%
On-Site	883		631		655		—		—		2,169		26	%
Packaged Gas	1,432		891		361		—		7		2,691		33	%
Other	52		12		70		728		446		1,308		16	%
Total	$	3,241	$	2,148	$	1,602	$	728	$	492	$	8,211	100	%

(Millions of dollars)	Quarter Ended March 31, 2021
Sales	Americas		EMEA		APAC		Engineering		Other		Total		%
Merchant	$	771	$	531	$	484	$	—	$	53	$	1,839	25	%
On-Site	689		392		553		—		—		1,634		23	%
Packaged Gas	1,332		861		361		—		6		2,560		35	%
Other	48		15		38		674		435		1,210		17	%
Total	$	2,840	$	1,799	$	1,436	$	674	$	494	$	7,243	100	%