XML 136 R113.htm IDEA: XBRL DOCUMENT v3.24.0.1
Supplemental Information on Oil and Gas Operations (Unaudited) (Schedule Of Principal Changes In The Standardized Measure Of Discounted Future Net Cash Flows Attributable To Proved Reserves) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Supplemental Information On Oil And Gas Operations [Abstract]      
Standardized measure of discounted future net cash flows, beginning balance $ 31,314 $ 19,301 $ 3,472
Net changes in prices and production costs (16,797) 14,081 8,274
Oil, gas and NGL sales, net of production costs (7,863) (11,285) (7,400)
Changes in estimated future development costs 218 (216) (414)
Extensions and discoveries, net of future development costs 5,222 7,279 3,877
Purchase of reserves 0 4,185 12,460
Sales of reserves in place (9) (20) (12)
Revisions of quantity estimates (747) (874) 838
Previously estimated development costs incurred during the period 1,567 956 663
Accretion of discount 2,972 2,059 1,218
Net change in income taxes and other 3,436 (4,152) (3,675)
Standardized measure of discounted future net cash flows, ending balance $ 19,313 $ 31,314 $ 19,301