Revenues and Accounts Receivable - Disaggregation of Revenue (Details) - Operating Segments - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 50,523	$ 48,999	$ 57,473
Crude Oil
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	48,651	47,146	54,929
Crude Oil \| Sales
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	47,036	45,621	53,822
Crude Oil \| Transportation
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	1,231	1,144	745
Crude Oil \| Terminalling, Storage and Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	384	381	362
NGL
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	1,872	1,853	2,544
NGL \| Sales
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	1,761	1,729	2,414
NGL \| Transportation
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	36	30	30
NGL \| Terminalling, Storage and Other
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers	$ 75	$ 94	$ 100

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details