Revenues - Revenues from Contracts with Customers by Product Type and Geographic Areas (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	$ 1,538	$ 1,567
United States
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	1,422	1,503
United States | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	531	624
United States | Bakken
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	522	503
United States | Permian
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	226	203
United States | Oklahoma
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	126	153
United States | Other U.S.
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	17	20
United States | Crude oil and condensate
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	1,180	1,185
United States | Crude oil and condensate | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	439	495
United States | Crude oil and condensate | Bakken
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	465	431
United States | Crude oil and condensate | Permian
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	199	170
United States | Crude oil and condensate | Oklahoma
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	65	78
United States | Crude oil and condensate | Other U.S.
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	12	11
United States | NGLs
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	151	169
United States | NGLs | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	58	71
United States | NGLs | Bakken
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	41	37
United States | NGLs | Permian
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	20	22
United States | NGLs | Oklahoma
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	32	39
United States | NGLs | Other U.S.
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	0	0
United States | Natural gas
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	86	139
United States | Natural gas | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	33	56
United States | Natural gas | Bakken
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	16	35
United States | Natural gas | Permian
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	7	11
United States | Natural gas | Oklahoma
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	29	36
United States | Natural gas | Other U.S.
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	1	1
United States | Other
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	5	10
United States | Other | Eagle Ford
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	1	2
United States | Other | Bakken
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	0	0
United States | Other | Permian
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	0	0
United States | Other | Oklahoma
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	0	0
United States | Other | Other U.S.
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	4	8
International | International, Equatorial Guinea (E.G.)
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	116	64
International | Crude oil and condensate | International, Equatorial Guinea (E.G.)
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	61	57
International | NGLs | International, Equatorial Guinea (E.G.)
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	1	1
International | Natural gas | International, Equatorial Guinea (E.G.)
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	53	5
International | Natural gas, sold as gas | International, Equatorial Guinea (E.G.)
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	2	5
International | Natural gas, sold as LNG | International, Equatorial Guinea (E.G.)
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	51	0
International | Other | International, Equatorial Guinea (E.G.)
Disaggregation of Revenue [Line Items]
Revenues from contracts with customers	$ 1	$ 1