Commitments and Contingencies (Details) $ in Millions	1 Months Ended
	Dec. 31, 2022	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)	Apr. 23, 2019 € / shares	Apr. 08, 2019 shares
Other Commitments [Line Items]
Contract liabilities		$ 2,533	$ 2,292
Maximum allowed percent of net assets for asset disposal	5.00%
RusChemAlliance (RCA)
Other Commitments [Line Items]
Contract liabilities		1,200
Maximum allowed asset value owned (as a percent)	50.00%
Amur GPP
Other Commitments [Line Items]
Contract liabilities		700
Linde AG
Other Commitments [Line Items]
Ordinary shares, outstanding (in shares) | shares					14,763,113
Linde AG | RusChemAlliance (RCA)
Other Commitments [Line Items]
Contract liabilities		$ 1,900
Linde AG | Squeeze-Out Transaction
Other Commitments [Line Items]
Business acquisition, share price (in euro per share) | € / shares				€ 189.46