DEBT AND FINANCING COSTS - Additional Information (Details)			3 Months Ended		9 Months Ended
	Apr. 29, 2022 USD ($) credit_agreement guaranty_of_obligation option	Jan. 18, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 GBP (£)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 GBP (£)	Apr. 29, 2022 GBP (£) credit_agreement guaranty_of_obligation
Debt Instrument [Line Items]
Finance lease obligations, current			$ 2,000,000		$ 2,000,000			$ 2,000,000
Gain (loss) on extinguishment of debt			0	$ 0	9,000,000	$ (67,000,000)
Number of unsecured guaranties of obligations | guaranty_of_obligation	2									2
APA Corp
Debt Instrument [Line Items]
Number of credit agreements | credit_agreement	2									2
USD Agreement | Line of Credit
Debt Instrument [Line Items]
Debt instrument term	5 years
Line of credit facility, committed amount	$ 1,800,000,000
Line of credit facility, increased committed amount	$ 2,300,000,000
Line of credit facility, number of extension options | option	2
Debt extension term	1 year
Debt face amount	$ 300,000,000
Outstanding borrowings			0		0			0
USD Agreement | Line of Credit | Letter of Credit
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity	750,000,000
Line of credit facility, current borrowing capacity	$ 150,000,000
GBP Agreement | Line of Credit
Debt Instrument [Line Items]
Debt instrument term	5 years
Line of credit facility, committed amount | £										£ 1,500,000,000
Debt extension term	1 year
GBP Agreement | Line of Credit | Letter of Credit
Debt Instrument [Line Items]
Line of credit facility, number of extension options | option	2
Former Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, terminated amount	$ 4,000,000,000
Line of credit facility, covenant benchmark amount	$ 1,000,000,000
Apache credit facility
Debt Instrument [Line Items]
Outstanding borrowings			0		0			0
Letters of credit outstanding, amount			3,000,000		3,000,000		£ 185,000,000	$ 17,000,000	£ 199,000,000
Senior Notes
Debt Instrument [Line Items]
Debt repurchased principal amount			74,000,000		74,000,000
Debt repurchase price			$ 65,000,000		65,000,000
Premium (discount) to par of debt repurchase					(10,000,000)
Gain (loss) on extinguishment of debt					$ 9,000,000
Senior Notes | 3.25% notes due 2022
Debt Instrument [Line Items]
Current maturities		$ 213,000,000
Debt interest rate		3.25%
Redemption price, percentage of principal amount redeemed		100.00%
Senior Notes | Cash Tender Offers
Debt Instrument [Line Items]
Debt repurchased principal amount				1,100,000,000		1,100,000,000
Debt repurchase price				1,200,000,000		1,200,000,000
Gain (loss) on extinguishment of debt						(66,000,000)
Debt instrument, unamortized discount and issuance costs				11,000,000		11,000,000
Senior Notes | Open Market Repurchase
Debt Instrument [Line Items]
Debt repurchased principal amount				15,000,000		15,000,000
Debt repurchase price				$ 16,000,000		16,000,000
Premium (discount) to par of debt repurchase						1,000,000
Gain (loss) on extinguishment of debt						$ (1,000,000)