CONSOLIDATED BALANCE SHEET - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents ($132 and $24 related to Altus VIE)	$ 279	$ 262
Receivables, net of allowance of $109 and $95	1,390	908
Other current assets (Note 6) ($9 and $5 related to Altus VIE)	649	676
Accounts receivable from APA Corporation	77	0
Total current assets	2,395	1,846
PROPERTY AND EQUIPMENT:
Oil and gas, on the basis of successful efforts accounting:	40,474	41,819
Gathering, processing, and transmission facilities ($209 and $206 related to Altus VIE)	673	670
Other ($3 and $3 related to Altus VIE)	1,126	1,140
Less: Accumulated depreciation, depletion, and amortization ($25 and $13 related to Altus VIE)	(34,213)	(34,810)
Property and equipment, net	8,060	8,819
OTHER ASSETS:
Equity method interests (Note 7) ($1,365 and $1,555 related to Altus VIE)	1,365	1,555
Decommissioning security for sold Gulf of Mexico properties (Note 12)	640	0
Deferred charges and other ($6 and $5 related to Altus VIE)	581	526
Note receivable from APA Corporation (Note 2)	1,352	0
Total assets	14,393	12,746
CURRENT LIABILITIES:
Accounts payable ($12 and $6 related to Altus VIE)	651	444
Note payable to APA Corporation (Note 2)	195	0
Current debt	215	2
Other current liabilities (Note 8) ($15 and $4 related to Altus VIE)	1,170	862
Total current liabilities	2,231	1,308
LONG-TERM DEBT (Note 10) ($657 and $624 related to Altus VIE)	7,295	8,770
DEFERRED CREDITS AND OTHER NONCURRENT LIABILITIES:
Income taxes	148	215
Asset retirement obligation ($68 and $64 related to Altus VIE)	2,089	1,888
Decommissioning contingency for sold Gulf of Mexico properties (Note 12)	1,086	0
Other ($67 and $144 related to Altus VIE)	572	602
Total deferred credits and other noncurrent liabilities	3,895	2,705
REDEEMABLE NONCONTROLLING INTEREST - ALTUS PREFERRED UNIT LIMITED PARTNERS (Note 14)	712	608
EQUITY (DEFICIT):
Common stock, $0.625 par, 1,000 and 860,000,000 shares authorized, 1,000 and 418,429,375 shares issued, respectively	0	262
Paid-in capital	8,677	11,735
Accumulated deficit	(9,317)	(10,461)
Treasury stock, at cost, 0 and 40,946,745 shares, respectively	0	(3,189)
Accumulated other comprehensive income	22	14
DEFICIT ATTRIBUTABLE TO APA CORPORATION	(618)	(1,639)
TOTAL EQUITY (DEFICIT)	260	(645)
Total liabilities and equity	14,393	12,746
Noncontrolling Interest, Egypt
EQUITY (DEFICIT):
Noncontrolling interest	820	925
Noncontrolling Interest, Altus
EQUITY (DEFICIT):
Noncontrolling interest	$ 58	$ 69