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Derivative and Financial Instruments - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Jan. 15, 2021
Derivative [Line Items] |  |  |
Debt securities, available-for-sale, unrealized loss | $ 12 |  |
Proceeds from sales and redemptions of investments in debt securities classified as available for sale | 644 | $ 594 |
Collateral was posted for derivative instruments in a liability position | 42 | 0 |
In Event of Lowered Credit Rating |  |  |
Derivative [Line Items] |  |  |
Derivative, liability position, aggregate fair value | 333 | 281 |
In Event of Downgrade Below Investment Grade |  |  |
Derivative [Line Items] |  |  |
Additional collateral, either in the form of cash or letters of credit | $ 270 |  |
Maximum | Trade Receivables |  |  |
Derivative [Line Items] |  |  |
Terms of financial instruments and trade receivables | 30 days |  |
Concho Resources Incorporated | Commodity |  |  |
Derivative [Line Items] |  |  |
Business combination, derivative liabilities assumed |  |  | $ 456
Gains (losses) from commodity derivatives |  | (305) |
Cash payment |  | $ 761 |

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- Definition The aggregate fair value of additional assets that would be required to be posted as collateral for derivative instruments with credit-risk-related contingent features if the credit-risk-related contingent features were triggered at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624258-113959 + Details
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- Definition The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5624258-113959 + Details
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