Accounting for Derivative Instruments and Hedging Activities - Fair Value within the Derivative Instrument Valuation (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Derivative [Line Items]
Derivative Liabilities	$ 3,820	$ 5,507
Not Designated as Hedging Instrument
Derivative [Line Items]
Derivative Assets	4,203	6,155
Derivative Liabilities	3,820	5,507
Not Designated as Hedging Instrument | Interest rate contracts current
Derivative [Line Items]
Derivative Assets	2	12
Derivative Liabilities	1	0
Not Designated as Hedging Instrument | Interest rate contracts long-term
Derivative [Line Items]
Derivative Assets	0	0
Derivative Liabilities	29	8
Not Designated as Hedging Instrument | Foreign exchange contracts - current
Derivative [Line Items]
Derivative Assets	4	3
Derivative Liabilities	1	4
Not Designated as Hedging Instrument | Foreign exchange contracts - long-term
Derivative [Line Items]
Derivative Assets	1	2
Derivative Liabilities	1	5
Not Designated as Hedging Instrument | Commodity contracts - current
Derivative [Line Items]
Derivative Assets	2,450	3,847
Derivative Liabilities	2,234	3,922
Not Designated as Hedging Instrument | Commodity contracts - long-term
Derivative [Line Items]
Derivative Assets	1,746	2,291
Derivative Liabilities	1,354	1,434
Not Designated as Hedging Instrument | Consumer Financing Program - short-term
Derivative [Line Items]
Derivative Assets	0	0
Derivative Liabilities	115	93
Not Designated as Hedging Instrument | Consumer Financing Program - long-term
Derivative [Line Items]
Derivative Assets	0	0
Derivative Liabilities	$ 85	$ 41