DEBT AND FINANCING COSTS - APA Unsecured 2022 Committed Bank Credit Facilities (Details)	Apr. 29, 2022 USD ($) guaranty_of_obligation credit_agreement option	Mar. 31, 2024 USD ($)	Mar. 31, 2024 GBP (£)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 GBP (£)	Apr. 29, 2022 GBP (£) guaranty_of_obligation credit_agreement
Debt Instrument [Line Items]
Number of unsecured guaranties of obligations | guaranty_of_obligation	2					2
Outstanding borrowings				$ 0
Syndicated Credit Facility | Unsecured Debt | APA Corp
Debt Instrument [Line Items]
Number of credit agreements | credit_agreement	2					2
USD Agreement | Line of Credit
Debt Instrument [Line Items]
Outstanding borrowings		$ 0
USD Agreement | Line of Credit | APA Corp
Debt Instrument [Line Items]
Debt instrument term	5 years
Line of credit facility, committed amount	$ 1,800,000,000
Credit facility maximum borrowing capacity	300,000,000
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
Outstanding borrowings		30,000,000		372,000,000
USD Agreement | Line of Credit | Letter of Credit | APA Corp
Debt Instrument [Line Items]
Credit facility maximum borrowing capacity	$ 750,000,000
Line of credit facility, current borrowing capacity	$ 150,000,000
Letters of credit outstanding, amount		0		0
GBP Agreement | Line of Credit | APA Corp
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 | APA Corp
Debt Instrument [Line Items]
Line of credit facility, number of extension options | option	2
Letters of credit outstanding, amount | £			£ 348,000,000		£ 348,000,000
Former Facility | Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, covenant benchmark amount	$ 1,000,000,000
Uncommitted Lines Of Credit | Line of Credit
Debt Instrument [Line Items]
Letters of credit outstanding, amount		$ 2,000,000	£ 296,000,000	$ 2,000,000	£ 296,000,000