CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 4,447	$ 4,245
Trade accounts receivable	1,246	1,126
Income and other tax receivables	325	879
Inventories:
Total materials and supplies, net	1,305	1,306
Mill and leach stockpiles	1,422	1,338
Product	1,166	998
Other current assets	270	199
Assets held for sale	598	344
Total current assets	10,779	10,435
Property, plant, equipment and mine development costs, net	22,836	23,219
Oil and gas properties, net - full cost method:
Oil and gas properties, subject to amortization, less accumulated amortization and impairments of $27,445 and $27,433, respectively	8	74
Oil and Natural Gas Properties, Full Cost Method, Subject to Amortization, Less Accumulated Amortization and Impairments	8	74
Long-term mill and leach stockpiles	1,409	1,633
Other assets	2,270	1,956
Total assets	37,302	37,317
Current liabilities:
Accounts payable and accrued liabilities	2,321	2,393
Current portion of debt	1,414	1,232
Current portion of environmental and asset retirement obligations	388	369
Accrued income taxes	565	66
Liabilities held for sale	350	205
Total current liabilities	5,038	4,265
Long-term debt, less current portion	11,703	14,795
Deferred income taxes	3,622	3,768
Environmental and asset retirement obligations, less current portion	3,631	3,487
Other liabilities	2,012	1,745
Total liabilities	26,006	28,060
Stockholders’ equity:
Common stock, par value $0.10, 1,578 shares and 1,574 shares issued, respectively	158	157
Capital in excess of par value	26,751	26,690
Accumulated deficit	(14,722)	(16,540)
Accumulated other comprehensive loss	(487)	(548)
Common stock held in treasury – 130 shares and 129 shares, respectively, at cost	(3,723)	(3,708)
Total stockholders’ equity	7,977	6,051
Noncontrolling interests	3,319	3,206
Total equity	11,296	9,257
Total liabilities and equity	$ 37,302	$ 37,317