Equity, Reclassification Out of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items]
Other income, net		$ 499	$ 502	$ 179
Revenues	[1]	129,881	144,766	176,383
Total before tax		3,698	11,768	15,307
Tax benefit (expense)		(692)	(2,619)	(3,428)
Net income		3,006	9,149	11,879
Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items]
Net income		114	17	(325)
Net Gain (Loss) on Pension and Other Postretirement Benefits [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items]
Total before tax		14	32	(91)
Tax benefit (expense)		(4)	(8)	20
Net income		10	24	(71)
Net Actuarial Gain (Loss) [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items]
Other income, net	[2]	9	12	(52)
Prior Service Credit [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items]
Other income, net	[2]	10	22	22
Settlement Loss [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items]
Other income, net	[2]	(5)	(2)	(61)
Gains (Losses) on Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items]
Total before tax		117	(8)	(286)
Tax benefit (expense)		(13)	1	32
Net income		104	(7)	(254)
Gains (Losses) on Cash Flow Hedges [Member] | Reclassification out of Accumulated Other Comprehensive Loss [Member] | Commodity Contracts [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Loss [Line Items]
Revenues		$ 117	$ (8)	$ (286)

[1] Includes excise taxes on sales by certain of our foreign operations of $5,907 million, $5,765 million, and $5,194 million for the years ended December 31, 2024, 2023, and 2022.

[2] These accumulated other comprehensive loss components are included in the computation of net periodic benefit cost, as discussed in Note 13.