Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Derivative Liabilities

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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.

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Amount of unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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- Definition

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

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- Definition

Term of the credit risk derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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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.

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of price risk derivatives not designated as hedging instruments.

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- Definition

The increase (decrease) during the reporting period in the assets (liabilities) created through trading commodity-based derivative instruments.

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- Definition

Amount of cash inflow from sale, maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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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