Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions		Sep. 30, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents		$ 338	$ 464
Trade accounts receivable		626	953
Other accounts receivable		1,276	1,610
Inventories:
Materials and supplies, net	[1]	2,071	1,886
Mill and leach stockpiles		1,895	1,914
Product		1,379	1,561
Other current assets		570	657
Total current assets		8,155	9,045
Property, plant, equipment and mining development costs, net		27,355	26,220
Oil and gas properties, net - full cost method
Subject to amortization, less accumulated amortization		3,002	9,187
Not subject to amortization		7,568	10,087
Long-term mill and leach stockpiles		2,326	2,179
Other assets		1,977	1,956
Total assets		50,383	58,674
Current liabilities:
Accounts payable and accrued liabilities		3,445	3,653
Current portion of debt		906	478
Current portion of environmental and asset retirement obligations		336	296
Accrued income taxes		75	410
Dividends payable		65	335
Total current liabilities		4,827	5,172
Long-term debt, less current portion		19,792	18,371
Deferred income taxes		4,363	6,398
Environmental and asset retirement obligations, less current portion		3,708	3,647
Other liabilities		1,727	1,861
Total liabilities		34,417	35,449
Redeemable noncontrolling interest		761	751
Stockholders’ equity:
Common stock		127	117
Capital in excess of par value		23,335	22,281
(Accumulated deficit) retained earnings		(8,305)	128
Accumulated other comprehensive loss		(509)	(544)
Common stock held in treasury		(3,702)	(3,695)
Total stockholders’ equity		10,946	18,287
Noncontrolling interests		4,259	4,187
Total equity		15,205	22,474
Total liabilities and equity		$ 50,383	$ 58,674

[1] Materials and supplies inventory was net of obsolescence reserves totaling $26 million at September 30, 2015, and $20 million at December 31, 2014.