Fair Value Measurements - Reconciliation Of Liabilities Measured At Fair Value On A Recurring Basis (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Sales	$ (81)
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]		Cost of products sold, Interest expense
Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of products sold	Cost of products sold, Interest expense
Inventory- related Payables
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Sales	$ (81)
Commodity Derivative Contracts Losses
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Sales	0
Level 3
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	558	$ 698
Total increase (decrease) in net realized/unrealized losses included in cost of products sold and interest expense	1,112	1,302
Purchases	79	49
Settlements	(1,142)	(1,618)
Transfers into Level 3	69	158
Transfers out of Level 3	(102)	(31)
Balance at end of period	493	558
Unrealized losses relating to Level 3 liabilities		(1,300)
Level 3 | Inventory- related Payables
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	101	89
Total increase (decrease) in net realized/unrealized losses included in cost of products sold and interest expense	(12)	5
Purchases	79	49
Settlements	0	(35)
Transfers into Level 3	1	1
Transfers out of Level 3	0	(8)
Balance at end of period	88	101
Level 3 | Commodity Derivative Contracts Losses
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	457	603
Total increase (decrease) in net realized/unrealized losses included in cost of products sold and interest expense	1,124	1,303
Purchases	0	0
Settlements	(1,142)	(1,583)
Transfers into Level 3	68	157
Transfers out of Level 3	(102)	(23)
Balance at end of period	405	457
Level 3 | Debt Conversion Option
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 0	6
Total increase (decrease) in net realized/unrealized losses included in cost of products sold and interest expense		(6)
Purchases		0
Settlements		0
Transfers into Level 3		0
Transfers out of Level 3		0
Balance at end of period		$ 0