CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating activities:
Net income	$ 662	$ 268
Adjustments:
Depreciation and amortization	896	922
Stock based compensation and other non-cash benefits	58	42
Reclamation and remediation	70	61
Loss (income) from discontinued operations	(34)	16
Impairment of investments	102	4
Deferred income taxes	212	(183)
Gain on asset and investment sales, net	(109)	(92)
Gain on deconsolidation of TMAC	(76)
Other operating adjustments and write-downs	254	525
Net change in operating assets and liabilities (Note 24)	(153)	(674)
Net cash provided by continuing operations	1,882	889
Net cash used in discontinued operations	(9)	(10)
Net cash provided by operations	1,873	879
Investing activities:
Additions to property, plant and mine development	(941)	(766)
Acquisitions, net (Note 13)	(819)	(28)
Sales of investments	29	25
Proceeds from sale of other assets	126	191
Other	(47)	(14)
Net cash used in investing activities	(1,652)	(592)
Financing activities:
Proceeds from debt, net		596
Repayment of debt	(332)	(581)
Proceeds from stock issuance, net	675
Sale of noncontrolling interests	37	71
Funding from noncontrolling interests	89
Acquisition of noncontrolling interests	(8)	(6)
Dividends paid to noncontrolling interests	(3)	(4)
Dividends paid to common stockholders	(38)	(102)
Restricted cash and other	(59)	(27)
Net cash provided by (used in) financing activities	361	(53)
Effect of exchange rate changes on cash	(21)	(11)
Net change in cash and cash equivalents	561	223
Cash and cash equivalents at beginning of period	2,403	1,555
Cash and cash equivalents at end of period	$ 2,964	$ 1,778