Condensed Consolidating Financial Statements - Statement of Operation (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Condensed Consolidating Statement of Operation
Sales (Note 3)		$ 2,033	$ 1,746	$ 5,913	$ 5,275
Costs and expenses
Costs applicable to sales (Note 3)	[1]	1,133	1,185	3,171	3,328
Depreciation and amortization		331	318	896	922
Reclamation and remediation (Note 4)		25	20	74	61
Exploration		34	44	115	119
Advanced projects, research and development		32	36	93	120
General and administrative		43	45	138	138
Other expense, net (Note 5)		57	63	148	179
Total costs and expenses		1,655	1,711	4,635	4,867
Other income (expense)
Other income, net (Note 6)		140	79	128	128
Interest expense, net		(81)	(89)	(248)	(276)
Total other income (expense)		59	(10)	(120)	(148)
Income (loss) before income and mining tax and other items		437	25	1,158	260
Income and mining tax benefit (expense)		(151)	47	(496)	22
Equity income (loss) of affiliates		(18)		(34)	2
Income (loss) from continuing operations		268	72	628	284
Income (loss) from discontinued operations		17	3	34	(16)
Net income (loss)		285	75	662	268
Net loss (income) attributable to noncontrolling interests		(66)	138	(188)	225
Net income (loss) attributable to Newmont stockholders		219	213	474	493
Comprehensive income (loss)		336	7	751	140
Noncontrolling interests		(66)	138	(188)	225
Comprehensive income (loss) attributable to Newmont stockholders		270	145	563	365
Reportable Legal Entities | Newmont Mining Corporation
Costs and expenses
Depreciation and amortization		1	1	3	3
Total costs and expenses		1	1	3	3
Other income (expense)
Other income, net (Note 6)			(23)	(9)	(27)
Interest income - intercompany		33	35	99	95
Interest expense - intercompany		(4)	(3)	(11)	(8)
Interest expense, net		(70)	(77)	(218)	(242)
Total other income (expense)		(41)	(68)	(139)	(182)
Income (loss) before income and mining tax and other items		(42)	(69)	(142)	(185)
Income and mining tax benefit (expense)		15	25	50	65
Equity income (loss) of affiliates		246	257	566	613
Income (loss) from continuing operations		219	213	474	493
Net income (loss)		219	213	474	493
Net income (loss) attributable to Newmont stockholders		219	213	474	493
Comprehensive income (loss)		270	145	563	365
Comprehensive income (loss) attributable to Newmont stockholders		270	145	563	365
Reportable Legal Entities | Newmont USA
Condensed Consolidating Statement of Operation
Sales (Note 3)		468	511	1,415	1,496
Costs and expenses
Costs applicable to sales (Note 3)		333	308	903	910
Depreciation and amortization		86	62	235	187
Reclamation and remediation (Note 4)		3	2	10	7
Exploration		6	8	22	17
Advanced projects, research and development		3	8	9	29
General and administrative		12	22	44	68
Other expense, net (Note 5)		20	25	36	40
Total costs and expenses		463	435	1,259	1,258
Other income (expense)
Other income, net (Note 6)		14	23	24	81
Interest income - intercompany		(2)		8
Interest expense, net		(1)	(2)	(4)	(4)
Total other income (expense)		11	21	28	77
Income (loss) before income and mining tax and other items		16	97	184	315
Income and mining tax benefit (expense)		4	(12)	(33)	(58)
Equity income (loss) of affiliates		(51)	46	(84)	(47)
Income (loss) from continuing operations		(31)	131	67	210
Net income (loss)		(31)	131	67	210
Net income (loss) attributable to Newmont stockholders		(31)	131	67	210
Comprehensive income (loss)		(33)	128	116	218
Comprehensive income (loss) attributable to Newmont stockholders		(33)	128	116	218
Reportable Legal Entities | Other Subsidiaries
Condensed Consolidating Statement of Operation
Sales (Note 3)		1,565	1,235	4,498	3,779
Costs and expenses
Costs applicable to sales (Note 3)		800	877	2,268	2,418
Depreciation and amortization		244	255	658	732
Reclamation and remediation (Note 4)		22	18	64	54
Exploration		28	36	93	102
Advanced projects, research and development		29	28	84	91
General and administrative		31	23	94	70
Other expense, net (Note 5)		37	38	112	139
Total costs and expenses		1,191	1,275	3,373	3,606
Other income (expense)
Other income, net (Note 6)		126	79	113	74
Interest income - intercompany		4	3	12	8
Interest expense - intercompany		(31)	(35)	(108)	(95)
Interest expense, net		(10)	(10)	(26)	(30)
Total other income (expense)		89	37	(9)	(43)
Income (loss) before income and mining tax and other items		463	(3)	1,116	130
Income and mining tax benefit (expense)		(170)	34	(513)	15
Equity income (loss) of affiliates		(3)	(15)	40	(9)
Income (loss) from continuing operations		290	16	643	136
Income (loss) from discontinued operations		17	3	34	(16)
Net income (loss)		307	19	677	120
Net loss (income) attributable to noncontrolling interests		(82)	166	(261)	255
Net income (loss) attributable to Newmont stockholders		225	185	416	375
Comprehensive income (loss)		355	(46)	707	15
Noncontrolling interests		(83)	166	(256)	255
Comprehensive income (loss) attributable to Newmont stockholders		272	120	451	270
Eliminations
Other income (expense)
Interest income - intercompany		(35)	(38)	(119)	(103)
Interest expense - intercompany		35	38	119	103
Equity income (loss) of affiliates		(210)	(288)	(556)	(555)
Income (loss) from continuing operations		(210)	(288)	(556)	(555)
Net income (loss)		(210)	(288)	(556)	(555)
Net loss (income) attributable to noncontrolling interests		16	(28)	73	(30)
Net income (loss) attributable to Newmont stockholders		(194)	(316)	(483)	(585)
Comprehensive income (loss)		(256)	(220)	(635)	(458)
Noncontrolling interests		17	(28)	68	(30)
Comprehensive income (loss) attributable to Newmont stockholders		$ (239)	$ (248)	$ (567)	$ (488)

[1] Excludes Depreciation and amortization and Reclamation and remediation.