CAPITAL STOCK - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 01, 2024	Jul. 31, 2024	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Sep. 30, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Options and restricted stock, anti-dilutive (in shares)			2,300,000	2,100,000	2,100,000	2,200,000
Number of shares authorized to be repurchased (in shares)							40,000,000	40,000,000
Treasury shares acquired (in shares)			1,500,000	1,300,000	4,500,000	5,000,000
Treasury stock acquired, average price (in USD per share)			$ 28.72	$ 33.72	$ 31.77	$ 37.53
Remaining authorized repurchase amount (in shares)			39,400,000		39,400,000
Payments of dividend on common stock			$ 92	$ 77	$ 168	$ 155
Issuance of common stock			2,414		2,414
Common Stock
Class of Stock [Line Items]
Issuance of common stock			$ 44		$ 44
Callon Petroleum Company | Common Stock
Class of Stock [Line Items]
Stock issued during period, shares, new issues	70,000,000
Issuance of common stock	$ 2,400
Subsequent Event
Class of Stock [Line Items]
Treasury shares acquired (in shares)		100,000
Treasury stock acquired, average price (in USD per share)		$ 29.33
Remaining authorized repurchase amount (in shares)		39,300,000