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Tendered and exchanged notes for new debt.

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- Definition

Debt Exchange, Incurred Premium

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Debt Instrument, Exchange Amount

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Debt Premium Cash Component

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- Definition

Gain (Loss) On Restructuring Of Debt

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Minimum limit of debt for cross default provision.

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Number Of Debt Exchange Transactions

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- Definition

Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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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Face (par) amount of the original debt instrument that was repurchased.

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Gross amount of debt extinguished.

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- Definition

Amount of gain (loss) from the difference between the repurchase price of a debt instrument initially issued by the entity and the net carrying amount of the debt at the time of its repurchase.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

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The maximum amount of borrowing capacity under a line of credit that is available as of the balance sheet date for a specific purpose other than for financing goods acquired for inventory or imminent delivery to a customer.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Debt - Narrative (Details) $ in Millions		1 Months Ended			12 Months Ended
Debt - Narrative (Details) $ in Millions	Jan. 15, 2021 USD ($)	Dec. 31, 2022 USD ($)	May 31, 2022 USD ($)	Mar. 31, 2022 USD ($) transaction	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Feb. 28, 2022 USD ($)	Jan. 31, 2022 USD ($)	Feb. 28, 2021 USD ($)
Debt Instrument [Line Items]
Debt instrument, repurchased face amount				$ 2,716
Gain (loss) on repurchase of debt instrument				155
Debt repurchase, incurred debt premium				$ 333
Repayments of debt					$ 6,267	$ 505	$ 254
Debt at face value		$ 15,855			$ 15,855	17,766
Number of debt exchange transactions \| transaction				2
Debt instrument, exchange amount				$ 2,544
Debt exchange, incurred premium				883
Debt premium cash component				872
Expense from exchange of debt				28
Concho Resources Incorporated
Debt Instrument [Line Items]
Debt at face value										$ 67
Business combination, notes offered in the exchange	$ 3,900									$ 3,900
Long-term debt	4,696
Adjustment to fair value of the senior notes	$ 800
Business combination, percent of notes offered in the exchange, tendered and accepted										98.00%
Business combination, notes offered in the exchange, tendered and accepted										$ 3,800
Debentures \| 7.0% Debentures due 2029
Debt Instrument [Line Items]
Stated interest rate		7.00%			7.00%
Debt at face value								$ 200
Debt instrument, exchange amount				88
Notes Payable to Banks \| 2.40% Notes due 2022
Debt Instrument [Line Items]
Retirement of debt		$ 329
Stated interest rate		2.40%			2.40%
Notes Payable to Banks \| 4.95% Notes due 2026
Debt Instrument [Line Items]
Stated interest rate		4.95%	4.95%		4.95%
Debt instrument, repurchased face amount			$ 1,250
Gain (loss) on repurchase of debt instrument			(83)
Debt repurchase, incurred debt premium			79
Notes Payable to Banks \| 3.75% Notes due 2027
Debt Instrument [Line Items]
Stated interest rate		3.75%			3.75%
Debt instrument, repurchased face amount				804
Debt at face value								1,000
Notes Payable to Banks \| 4.3% Notes due 2028
Debt Instrument [Line Items]
Stated interest rate		4.30%			4.30%
Debt instrument, repurchased face amount				777
Debt at face value								1,000
Notes Payable to Banks \| 2.4% Notes due 2031
Debt Instrument [Line Items]
Stated interest rate		2.40%			2.40%
Debt instrument, repurchased face amount				273
Debt at face value								500
Notes Payable to Banks \| 4.875% Notes due 2047
Debt Instrument [Line Items]
Stated interest rate		4.875%			4.875%
Debt instrument, repurchased face amount				481
Debt at face value								800
Notes Payable to Banks \| 4.85% Notes due 2048
Debt Instrument [Line Items]
Stated interest rate		4.85%			4.85%
Debt instrument, repurchased face amount				381
Debt at face value								600
Notes Payable to Banks \| 6.95% Notes due 2029
Debt Instrument [Line Items]
Stated interest rate		6.95%			6.95%
Debt at face value								1,549
Debt instrument, exchange amount				354
Notes Payable to Banks \| 7.4% Notes due 2031
Debt Instrument [Line Items]
Stated interest rate		7.40%			7.40%
Debt at face value								500
Debt instrument, exchange amount				118
Notes Payable to Banks \| 7.25% Notes due 2031
Debt Instrument [Line Items]
Stated interest rate		7.25%			7.25%
Debt at face value								500
Debt instrument, exchange amount				100
Notes Payable to Banks \| 7.2% Notes due 2031
Debt Instrument [Line Items]
Stated interest rate		7.20%			7.20%
Debt at face value								575
Debt instrument, exchange amount				128
Notes Payable to Banks \| 5.95% Notes due 2036
Debt Instrument [Line Items]
Stated interest rate		5.95%			5.95%
Debt at face value								500
Debt instrument, exchange amount				174
Notes Payable to Banks \| 5.9% Notes due 2038
Debt Instrument [Line Items]
Stated interest rate		5.90%			5.90%
Debt at face value								600
Debt instrument, exchange amount				250
Notes Payable to Banks \| 6.5% Notes due 2039
Debt Instrument [Line Items]
Stated interest rate		6.50%			6.50%
Debt at face value								2,750
Debt instrument, exchange amount				1,162
Notes Payable to Banks \| 5.95% Notes due 2046
Debt Instrument [Line Items]
Stated interest rate		5.95%			5.95%
Debt at face value								500
Debt instrument, exchange amount				$ 171
Notes Payable to Banks \| 3.758% Notes due 2042
Debt Instrument [Line Items]
Stated interest rate		3.758%			3.758%
Debt at face value		$ 785			$ 785
Notes Payable to Banks \| 4.025% Notes due 2062
Debt Instrument [Line Items]
Stated interest rate		4.025%			4.025%
Debt at face value		$ 1,770			$ 1,770
Notes Payable to Banks \| 2.125% Notes due 2024
Debt Instrument [Line Items]
Stated interest rate		2.125%		2.125%	2.125%
Debt at face value				$ 900
Notes Payable to Banks \| 2.40% Notes due 2025
Debt Instrument [Line Items]
Stated interest rate		2.40%		2.40%	2.40%
Debt at face value				$ 900
Notes Payable to Banks \| 3.8% Notes due 2052
Debt Instrument [Line Items]
Stated interest rate		3.80%		3.80%	3.80%
Debt at face value				$ 1,100
Variable Rate Debt Bonds
Debt Instrument [Line Items]
Debt at face value		$ 283			$ 283	$ 283
Floating Rate Notes \| Floating rate notes due 2022 at 1.06% – 1.41% during 2022 and 1.02% – 1.12% during 2021
Debt Instrument [Line Items]
Repayments of debt			$ 500
Floating Rate Notes \| Floating rate notes due 2022 at 1.06% – 1.41% during 2022 and 1.02% – 1.12% during 2021 \| Maximum
Debt Instrument [Line Items]
Stated interest rate		1.41%			1.41%	1.12%
Revolving Credit Facility
Debt Instrument [Line Items]
Project finance facility, maximum borrowing capacity								$ 5,500	$ 6,000
Minimum limit of debt for cross default provision		$ 200			$ 200
Commercial paper program, amount outstanding		0			0	$ 0
Remaining borrowing capacity under revolving credit facility		5,500			5,500
Commercial Paper \| Conoco Phillips Commercial Paper Program
Debt Instrument [Line Items]
Commercial paper program, amount outstanding						$ 0
Letter of Credit \| Maximum
Debt Instrument [Line Items]
Line of credit facility, capacity available for specific purpose other than for trade purchases		$ 500			$ 500