Financial Instruments and Risk Management - Fair Value (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Fair Value Measurements
Total current derivative contracts, assets	$ 245	$ 170
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration]	Other Assets, Current	Other Assets, Current
Total noncurrent derivative contracts, assets	$ 119	$ 63
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Assets, Noncurrent	Other Assets, Noncurrent
Total current derivative contracts, liabilities	$ 101	$ 29
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current	Other Liabilities, Current
Total noncurrent derivative contracts, liabilities	$ 4	$ 3
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Commodity contracts
Fair Value Measurements
Total current derivative contracts, assets	$ 174	$ 142
Total noncurrent derivative contracts, assets	1	3
Total current derivative contracts, liabilities	49	20
Total noncurrent derivative contracts, liabilities	2	3
Currency contracts
Fair Value Measurements
Total current derivative contracts, assets	68	21
Total noncurrent derivative contracts, assets	118	60
Total current derivative contracts, liabilities	48	8
Total noncurrent derivative contracts, liabilities	2
Cross-currency and other contracts
Fair Value Measurements
Total current derivative contracts, assets	3	7
Total current derivative contracts, liabilities	4	1
Derivatives Designated As Hedging Instruments
Fair Value Measurements
Total current derivative contracts, assets	174	145
Total noncurrent derivative contracts, assets	117	62
Total current derivative contracts, liabilities	49	20
Total noncurrent derivative contracts, liabilities	2
Derivatives Designated As Hedging Instruments | Commodity contracts
Fair Value Measurements
Total current derivative contracts, assets	173	142
Total noncurrent derivative contracts, assets	1	3
Total current derivative contracts, liabilities	49	20
Total noncurrent derivative contracts, liabilities	2
Derivatives Designated As Hedging Instruments | Currency contracts
Fair Value Measurements
Total current derivative contracts, assets		2
Total noncurrent derivative contracts, assets	116	59
Derivatives Designated As Hedging Instruments | Cross-currency and other contracts
Fair Value Measurements
Total current derivative contracts, assets	1	1
Derivatives Not Designated as Hedging Instruments
Fair Value Measurements
Total current derivative contracts, assets	71	25
Total noncurrent derivative contracts, assets	2	1
Total current derivative contracts, liabilities	52	9
Total noncurrent derivative contracts, liabilities	2	3
Derivatives Not Designated as Hedging Instruments | Commodity contracts
Fair Value Measurements
Total current derivative contracts, assets	1
Total noncurrent derivative contracts, liabilities		3
Derivatives Not Designated as Hedging Instruments | Currency contracts
Fair Value Measurements
Total current derivative contracts, assets	68	19
Total noncurrent derivative contracts, assets	2	1
Total current derivative contracts, liabilities	48	8
Total noncurrent derivative contracts, liabilities	2
Derivatives Not Designated as Hedging Instruments | Cross-currency and other contracts
Fair Value Measurements
Total current derivative contracts, assets	2	6
Total current derivative contracts, liabilities	$ 4	$ 1