Changes in Equity (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Changes in Equity
At beginning of period			$ 13,089
Net income (loss) attributable to Newmont stockholders	$ 219	$ 213	474	$ 493
Net income (loss) attributable to noncontrolling interests	66	(138)	188	(225)
Other comprehensive income (loss)	51	(68)	89	(128)
At end of period	14,569	13,099	14,569	13,099
Common Stock
Changes in Equity
At beginning of period			798	789
Redemptions of Exchangeable Shares				(8)
Stock-based awards			2	1
Stock issuance			46
At end of period	846	798	846	798
Additional Paid-in Capital
Changes in Equity
At beginning of period			8,712	8,538
Redemptions of Exchangeable Shares				8
Stock-based awards			56	91
Sale of noncontrolling interests, net			12	33
Stock issuance			629
At end of period	9,409	8,654	9,409	8,654
Accumulated Other Comprehensive (Loss) Income
Changes in Equity
At beginning of period			(478)	(182)
Other comprehensive income (loss)			89	(128)
At end of period	(389)	(310)	(389)	(310)
Retained Earnings
Changes in Equity
At beginning of period			1,242	848
Net income (loss) attributable to Newmont stockholders			474	493
Dividends Paid			(38)	(102)
At end of period	1,678	1,239	1,678	1,239
Noncontrolling Interests
Changes in Equity
At beginning of period			2,815	2,916
Sale of noncontrolling interests, net			25	31
Net income (loss) attributable to noncontrolling interests			188	(225)
Dividends paid to noncontrolling interests			(3)	(4)
At end of period	$ 3,025	$ 2,718	$ 3,025	$ 2,718