Commitments and Contingencies (Details) R$ in Millions, $ in Millions	Dec. 31, 2021 USD ($) shares	Dec. 31, 2020 shares	Apr. 23, 2019 € / shares	Apr. 08, 2019 shares	Sep. 01, 2010 USD ($)	Sep. 01, 2010 BRL (R$)
Other Commitments [Line Items]
Brazil tax matters estimated exposure | $	$ 200
Common stock, shares, outstanding | shares	508,680,879	523,294,529
Outstanding letters of credit, bank guarantees and surety bonds | $	$ 3,695
White Mountains
Other Commitments [Line Items]
Initial CADE civil fine imposed					$ 395	R$ 2,200
Revised CADE civil fine					305	1,700
MG Industries GmbH
Other Commitments [Line Items]
Initial CADE civil fine imposed					43	237
Revised CADE civil fine					$ 34	R$ 188
Linde AG
Other Commitments [Line Items]
Common stock, shares, outstanding | shares				14,763,113
Squeeze-Out Transaction | Linde AG
Other Commitments [Line Items]
Business acquisition, share price | € / shares			€ 189.46