Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2021

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 quarter and nine months ended September 30, 2021 and September 30, 2020.

(Millions of dollars)	Quarter Ended September 30, 2021
Sales	Americas		EMEA		APAC		Engineering		Other		Total		%
Merchant	$	849	$	559	$	563	$	—	$	38	$	2,009	26	%
On-Site	836		462		578		—		—		1,876		24	%
Packaged Gas	1,385		880		394		—		7		2,666		35	%
Other	21		10		29		601		456		1,117		15	%
Total	$	3,091	$	1,911	$	1,564	$	601	$	501	$	7,668	100	%

(Millions of dollars)	Quarter Ended September 30, 2020
Sales	Americas		EMEA		APAC		Engineering		Other		Total		%
Merchant	$	739	$	472	$	526	$	—	$	34	$	1,771	26	%
On-Site	622		334		528		—		—		1,484		22	%
Packaged Gas	1,265		799		413		—		5		2,482		36	%
Other	15		17		17		678		391		1,118		16	%
Total	$	2,641	$	1,622	$	1,484	$	678	$	430	$	6,855	100	%

(Millions of dollars)	Nine Months Ended September 30, 2021
Sales	Americas		EMEA		APAC		Engineering		Other (a)		Total		%
Merchant	$	2,441	$	1,646	$	1,598	$	—	$	133	$	5,818	26	%
On-Site	2,299		1,250		1,712		—		—		5,261		23	%
Packaged Gas	4,086		2,652		1,147		—		19		7,904		35	%
Other	125		37		87		1,921		1,342		3,512		16	%
Total	$	8,951	$	5,585	$	4,544	$	1,921	$	1,494	$	22,495	100	%
(Millions of dollars)	Nine Months Ended September 30, 2020
Sales	Americas		EMEA		APAC		Engineering		Other (a)		Total		%
Merchant	$	2,099	$	1,357	$	1,444	$	—	$	110	$	5,010	25	%
On-Site	1,831		981		1,486		—		—		4,298		22	%
Packaged Gas	3,750		2,329		1,135		—		16		7,230		36	%
Other	55		36		50		2,096		1,196		3,433		17	%
Total	$	7,735	$	4,703	$	4,115	$	2,096	$	1,322	$	19,971	100	%