Revenue Recognition - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) distribution_method	Dec. 31, 2022 USD ($)
Disaggregation of Revenue [Line Items]
Number of distribution methods | distribution_method	3
Contract assets	$ 196	$ 124
Contract liabilities	2,950	3,986
Current contract liabilities	1,901	3,073
Other long-term liabilities	1,049	913
Contract with customer, liability, revenue recognized	1,017
Remaining performance obligation	$ 48,000
Contract term	20 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-01-01
Disaggregation of Revenue [Line Items]
Remaining performance obligation, expected timing of satisfaction	5 years
Other Noncurrent Liabilities
Disaggregation of Revenue [Line Items]
Other long-term liabilities	$ 1,049	$ 913
Engineering | RUSSIAN FEDERATION | Russia-Ukraine Conflict, International Sanctions
Disaggregation of Revenue [Line Items]
Contract liabilities	$ 418
Minimum
Disaggregation of Revenue [Line Items]
On-site product supply contract period	10 years
Maximum
Disaggregation of Revenue [Line Items]
On-site product supply contract period	20 years
Merchant | Minimum
Disaggregation of Revenue [Line Items]
Customer supply agreements period	3 years
Merchant | Maximum
Disaggregation of Revenue [Line Items]
Customer supply agreements period	7 years
Packaged Gas | Minimum
Disaggregation of Revenue [Line Items]
Customer supply agreements period	1 year
Packaged Gas | Maximum
Disaggregation of Revenue [Line Items]
Customer supply agreements period	3 years