Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 631	$ 825
Restricted cash	74	0
Short-term investments	0	443
Accounts receivable:
Trade, net	1,032	694
Due from affiliates	3	120
Income taxes receivable	7	7
Inventories	205	242
Derivatives	32	52
Investment in affiliate	187	172
Other	20	25
Total current assets	2,191	2,580
Oil and gas properties, using the successful efforts method of accounting:
Proved properties	22,444	21,165
Unproved properties	584	601
Accumulated depletion, depreciation and amortization	(8,583)	(8,218)
Total oil and gas properties, net	14,445	13,548
Other property and equipment, net	1,632	1,291
Operating lease right-of-use assets	280
Long-term investments	0	125
Goodwill	261	264
Other assets	258	95
Total Assets	19,067	17,903
Accounts payable:
Trade	1,221	1,441
Due to affiliates	190	183
Interest payable	53	53
Income taxes payable	3	2
Current portion of long-term debt	450	0
Derivatives	12	27
Operating leases	136
Other	431	112
Total current liabilities	2,496	1,818
Long-term debt	1,839	2,284
Derivatives	8	0
Deferred income taxes	1,389	1,152
Operating leases	170
Other liabilities	1,046	538
Equity:
Common stock, $.01 par value	2	2
Additional paid-in capital	9,161	9,062
Treasury Stock at cost	(1,069)	(423)
Retained earnings	4,025	3,470
Total equity	12,119	12,111
Commitments and contingencies
Total Liabilities and Stockholders' Equity	$ 19,067	$ 17,903