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Commitments and Contingencies (Details) R$ in Millions, $ in Millions	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 shares	Apr. 23, 2019 € / shares	Apr. 08, 2019 shares	Sep. 01, 2010 USD ($)	Sep. 01, 2010 BRL (R$)
Other Commitments [Line Items]
Brazil tax matters estimated exposure | $	$ 205
Common stock, shares, outstanding | shares	523,294,529	534,380,544
Outstanding letters of credit, bank guarantees and surety bonds | $	$ 2,905
White Mountains
Other Commitments [Line Items]
Initial CADE civil fine imposed					$ 423	R$ 2,200
Revised CADE civil fine					327	1,700
MG Industries GmbH
Other Commitments [Line Items]
Initial CADE civil fine imposed					46	237
Revised CADE civil fine					$ 36	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

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On September 1, 2010, CADE (Brazilian Administrative Council for Economic Defense) announced alleged.

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