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Revenue Recognition - Schedule of Revenue by Distribution Method (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Disaggregation of Revenue [Line Items] |  |  |
Sales | $ 32,854 | $ 33,364 | $ 30,793
Merchant |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 9,603 | 8,691 | 7,860
On-Site |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 7,825 | 8,934 | 7,345
Packaged Gas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 11,654 | 10,871 | 10,551
Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 3,772 | 4,868 | 5,037
Americas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 14,304 | 13,874 | 12,103
Americas | Merchant |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 4,370 | 3,786 | 3,279
Americas | On-Site |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 3,246 | 4,048 | 3,225
Americas | Packaged Gas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 6,457 | 5,831 | 5,456
Americas | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 231 | 209 | 143
EMEA |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 8,542 | 8,443 | 7,643
EMEA | Merchant |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 2,773 | 2,509 | 2,227
EMEA | On-Site |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 1,980 | 2,415 | 1,824
EMEA | Packaged Gas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 3,735 | 3,466 | 3,539
EMEA | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 54 | 53 | 53
APAC |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 6,559 | 6,480 | 6,133
APAC | Merchant |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 2,242 | 2,220 | 2,181
APAC | On-Site |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 2,599 | 2,471 | 2,296
APAC | Packaged Gas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 1,416 | 1,523 | 1,532
APAC | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 302 | 266 | 124
Engineering |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 2,160 | 2,762 | 2,867
Engineering | Merchant |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 0 | 0 | 0
Engineering | On-Site |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 0 | 0 | 0
Engineering | Packaged Gas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 0 | 0 | 0
Engineering | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 2,160 | 2,762 | 2,867
Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 1,289 | 1,805 | 2,047
Other | Merchant |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 218 | 176 | 173
Other | On-Site |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 0 | 0 | 0
Other | Packaged Gas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | 46 | 51 | 24
Other | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sales | $ 1,025 | $ 1,578 | $ 1,850
Sales | Revenue from Contract with Customer Benchmark |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Concentration risk, percentage | 100.00% | 100.00% | 100.00%
Sales | Revenue from Contract with Customer Benchmark | Merchant |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Concentration risk, percentage | 29.00% | 26.00% | 26.00%
Sales | Revenue from Contract with Customer Benchmark | On-Site |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Concentration risk, percentage | 24.00% | 27.00% | 24.00%
Sales | Revenue from Contract with Customer Benchmark | Packaged Gas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Concentration risk, percentage | 35.00% | 33.00% | 34.00%
Sales | Revenue from Contract with Customer Benchmark | Other |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Concentration risk, percentage | 12.00% | 14.00% | 16.00%

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