Commitments and Contingencies (Details) R$ in Millions, $ in Millions	Sep. 01, 2010 USD ($) company	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 30, 2022	Apr. 23, 2019 € / shares	Apr. 08, 2019 shares	Sep. 01, 2010 BRL (R$)
Other Commitments [Line Items]
Brazil tax matters estimated exposure		$ 110
Number of industrial gas companies involved in the matter | company	5
Contract liabilities		3,997	$ 3,986
RusChemAlliance (RCA)
Other Commitments [Line Items]
Contract liabilities		$ 1,200
Russia
Other Commitments [Line Items]
Maximum allowed percent of net assets for asset disposal				5.00%
White Martins
Other Commitments [Line Items]
Initial CADE civil fine imposed	$ 435						R$ 2,200
Revised CADE civil fine	336						1,700
MG Industries GmbH
Other Commitments [Line Items]
Initial CADE civil fine imposed	47						237
Revised CADE civil fine	$ 37						R$ 188
Linde AG | Squeeze-Out Transaction
Other Commitments [Line Items]
Cash consideration per share | € / shares					€ 189.46
Common stock tendered (in shares) | shares						14,763,113