Condensed Consolidating Financial Statements - Statement of Cash Flows (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Operating activities:
Net income (loss)	$ 285	$ 75	$ 662	$ 268
Adjustments			1,373	1,295
Net change in operating assets and liabilities			(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			(819)	(28)
Sales of investments			29	25
Proceeds from sale of other assets			126	191
Other			(47)	(14)
Acquisitions, net (Note 13)			(819)	(28)
Net cash used in investing activities			(1,652)	(592)
Financing activities:
Proceeds from debt, net				596
Repayment of debt			(332)	(581)
Net proceeds from common stock issuance			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	2,964	1,778
Reportable Legal Entities | Newmont Mining Corporation
Operating activities:
Net income (loss)	219	213	474	493
Adjustments			(488)	(589)
Net change in operating assets and liabilities			77	(61)
Net cash provided by continuing operations			63	(157)
Net cash provided by operations			63	(157)
Investing activities:
Acquisitions, net			(821)
Sales of investments				25
Acquisitions, net (Note 13)			(821)
Net cash used in investing activities			(821)	25
Financing activities:
Proceeds from debt, net				567
Repayment of debt			(200)	(575)
Net intercompany borrowings (repayments)			323	242
Net proceeds from common stock issuance			675
Dividends paid to common stockholders			(38)	(102)
Restricted cash and other			(2)
Net cash provided by (used in) financing activities			758	132
Reportable Legal Entities | Newmont USA
Operating activities:
Net income (loss)	(31)	131	67	210
Adjustments			481	419
Net change in operating assets and liabilities			(241)	(138)
Net cash provided by continuing operations			307	491
Net cash provided by operations			307	491
Investing activities:
Additions to property, plant and mine development			(241)	(270)
Sales of investments			25
Proceeds from sale of other assets			18	18
Net cash used in investing activities			(198)	(252)
Financing activities:
Repayment of debt			(2)	(1)
Net intercompany borrowings (repayments)			(81)	7
Sale of noncontrolling interests			3
Restricted cash and other			1
Net cash provided by (used in) financing activities			(79)	6
Net change in cash and cash equivalents			30	245
Cash and cash equivalents at beginning of period			1,097	428
Cash and cash equivalents at end of period	1,127	673	1,127	673
Reportable Legal Entities | Other Subsidiaries
Operating activities:
Net income (loss)	307	19	677	120
Adjustments			824	910
Net change in operating assets and liabilities			11	(475)
Net cash provided by continuing operations			1,512	555
Net cash used in discontinued operations			(9)	(10)
Net cash provided by operations			1,503	545
Investing activities:
Additions to property, plant and mine development			(700)	(496)
Acquisitions, net			2	(28)
Sales of investments			4
Proceeds from sale of other assets			108	173
Other			(47)	(14)
Acquisitions, net (Note 13)			2	(28)
Net cash used in investing activities			(633)	(365)
Financing activities:
Proceeds from debt, net				29
Repayment of debt			(130)	(5)
Net intercompany borrowings (repayments)			(242)	(249)
Sale of noncontrolling interests			34	71
Funding from noncontrolling interests			89
Acquisition of noncontrolling interests			(8)	(6)
Dividends paid to noncontrolling interests			(3)	(4)
Restricted cash and other			(58)	(27)
Net cash provided by (used in) financing activities			(318)	(191)
Effect of exchange rate changes on cash			(21)	(11)
Net change in cash and cash equivalents			531	(22)
Cash and cash equivalents at beginning of period			1,306	1,127
Cash and cash equivalents at end of period	1,837	1,105	1,837	1,105
Eliminations
Operating activities:
Net income (loss)	$ (210)	$ (288)	(556)	(555)
Adjustments			$ 556	$ 555