Condensed Consolidating Financial Statements (Details) (USD $) In Millions	3 Months Ended				9 Months Ended				12 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2011		Sep. 30, 2010		Dec. 31, 2010
Condensed Consolidating Statement of Income
Sales	$ 2,744		$ 2,597		$ 7,593		$ 6,992
Costs and expenses
Costs applicable to sales	1,008	[1]	891	[1]	2,865	[1]	2,608	[1]
Amortization	270		242		776		697
Reclamation and remediation	6		18		63		44
Exploration	104		67		255		163
Advanced projects, research and development	93		46		247		149
General and administrative	50		45		145		133
Other expense, net	36		50		196		200
Total costs and expenses	1,567		1,359		4,547		3,994
Other income (expense)
Other income, net	(76)		5		3		97
Interest income-intercompany	0		0		0		0
Interest expense-intercompany	0		0		0		0
Interest expense, net	(65)		(66)		(193)		(210)
Total other income (expense)	(141)		(61)		(190)		(113)
Income before income and mining tax and other items	1,036		1,177		2,856		2,885
Income and mining tax expense	(371)		(360)		(863)		(784)
Equity income (loss) of affiliates	10		(3)		12		(7)
Income from continuing operations	675		814		2,005		2,094
Loss from discontinued operations	0		0		(136)		0		(28)
Net income	675		814		1,869		2,094
Net income attributable to noncontrolling interests	(182)		(277)		(475)		(629)
Net income attributable to Newmont stockholders	493		537		1,394		1,465
Operating activities:
Net income	675		814		1,869		2,094
Adjustments					1,140		827
Net change in operating assets and liabilities					(343)		(586)
Net cash provided from continuing operations					2,666		2,335
Net cash used in discontinued operations					(4)		(13)
Net cash provided from operations					2,662		2,322
Investing activities:
Additions to property, plant and mine development					(1,781)		(972)
Proceeds from sale of marketable securities					74		1
Purchases of marketable securities					(17)		(9)
Acquisitions, net					(2,301)		(2)
Proceeds from sale of other assets					6		53
Other					(9)		(73)
Net cash used in investing activities					(4,028)		(1,002)
Financing activities:
Net (borrowings) repayments					(288)		(274)
Net intercompany borrowings (repayments)					0		0
Sale of noncontrolling interests					0		229
Acquisition of noncontrolling interests					0		(109)
Dividends paid to common stockholders					(321)		(172)
Dividends paid to noncontrolling interests					(17)		(360)
Proceeds from stock issuance, net					35		56
Change in restricted cash and other					3		46
Net cash used in financing activities					(588)		(584)
Effect of exchange rate changes on cash					33		0
Net change in cash and cash equivalents					(1,921)		736
Cash and cash equivalents at beginning of period					4,056		3,215		3,215
Cash and cash equivalents at end of period	2,135		3,951		2,135		3,951		4,056
Assets
Cash and cash equivalents	2,135		3,951		2,135		3,951		4,056
Trade receivables	312				312				582
Accounts receivable	259				259				88
Investments	94				94				113
Inventories	720				720				658
Stockpiles and ore on leach pads	627				627				617
Deferred income tax assets	425				425				177
Other current assets	1,788				1,788				962
Current assets	6,360				6,360				7,253
Property, plant and mine development, net	17,019				17,019				12,907
Investments	1,254				1,254				1,568
Investments in subsidiaries	0				0				0
Stockpiles and ore on leach pads	2,096				2,096				1,757
Deferred income tax assets	1,629				1,629				1,437
Other long-term assets	781				781				741
Total assets	29,139		24,376		29,139		24,376		25,663
Liabilities
Debt	578				578				259
Accounts payable	542				542				427
Employee-related benefits	269				269				288
Income and mining taxes	381				381				355
Other current liabilities	2,705				2,705				1,418
Current liabilities	4,475				4,475				2,747
Debt	3,659				3,659				4,182
Reclamation and remediation liabilities	1,031				1,031				984
Deferred income tax liabilities	2,592				2,592				1,488
Employee-related benefits	350				350				325
Other long-term liabilities	328				328				221
Total liabilities	12,435				12,435				9,947
Equity
Common stock	781				781				778
Additional paid-in capital	8,364				8,364				8,279
Accumulated other comprehensive income	462				462				1,108
Retained earnings	4,253				4,253				3,180
Newmont stockholders' equity	13,860				13,860				13,345
Noncontrolling interests	2,844				2,844				2,371
Total equity	16,704		14,519		16,704		14,519		15,716
Total liabilities and equity	29,139				29,139				25,663
Newmont Mining Corporation [Member]
Condensed Consolidating Statement of Income
Sales	0		0		0		0
Costs and expenses
Costs applicable to sales	0		0		0		0
Amortization	0		0		0		0
Reclamation and remediation	0		0		0		0
Exploration	0		0		0		0
Advanced projects, research and development	0		0		0		0
General and administrative	0		0		0		0
Other expense, net	0		0		0		0
Total costs and expenses	0		0		0		0
Other income (expense)
Other income, net	(161)		0		(169)		0
Interest income-intercompany	39		35		115		106
Interest expense-intercompany	(8)		(3)		(14)		(8)
Interest expense, net	(55)		(61)		(168)		(187)
Total other income (expense)	(185)		(29)		(236)		(89)
Income before income and mining tax and other items	(185)		(29)		(236)		(89)
Income and mining tax expense	30		(1)		45		149
Equity income (loss) of affiliates	648		567		1,585		1,405
Income from continuing operations					1,394
Loss from discontinued operations					0
Net income	493		537		1,394		1,465
Net income attributable to noncontrolling interests	0		0		0		0
Net income attributable to Newmont stockholders	493		537		1,394		1,465
Operating activities:
Net income	493		537		1,394		1,465
Adjustments					193		(98)
Net change in operating assets and liabilities					(5)		(43)
Net cash provided from continuing operations					1,582		1,324
Net cash used in discontinued operations					0		0
Net cash provided from operations					1,582		1,324
Investing activities:
Additions to property, plant and mine development					0		0
Proceeds from sale of marketable securities					0		0
Purchases of marketable securities					0		0
Acquisitions, net					0		0
Proceeds from sale of other assets					0		0
Other					0		0
Net cash used in investing activities					0		0
Financing activities:
Net (borrowings) repayments					(7)		0
Net intercompany borrowings (repayments)					(1,289)		(1,216)
Sale of noncontrolling interests					0		0
Acquisition of noncontrolling interests							0
Dividends paid to common stockholders					(321)		(172)
Dividends paid to noncontrolling interests					0		0
Proceeds from stock issuance, net					35		56
Change in restricted cash and other					0		0
Net cash used in financing activities					(1,582)		(1,332)
Effect of exchange rate changes on cash					0		0
Net change in cash and cash equivalents					0		(8)
Cash and cash equivalents at beginning of period					0		8		8
Cash and cash equivalents at end of period	0		0		0		0
Assets
Cash and cash equivalents	0		0		0		0
Trade receivables	0				0				0
Accounts receivable	1,458				1,458				2,222
Investments	60				60				0
Inventories	0				0				0
Stockpiles and ore on leach pads	0				0				0
Deferred income tax assets	121				121				0
Other current assets	0				0				0
Current assets	1,639				1,639				2,222
Property, plant and mine development, net	0				0				0
Investments	0				0				0
Investments in subsidiaries	15,535				15,535				12,295
Stockpiles and ore on leach pads	0				0				0
Deferred income tax assets	685				685				638
Other long-term assets	3,765				3,765				2,675
Total assets	21,624				21,624				17,830
Liabilities
Debt	507				507				0
Accounts payable	3,024				3,024				355
Employee-related benefits	0				0				0
Income and mining taxes	8				8				19
Other current liabilities	436				436				56
Current liabilities	3,975				3,975				430
Debt	3,534				3,534				3,991
Reclamation and remediation liabilities	0				0				0
Deferred income tax liabilities	0				0				0
Employee-related benefits	5				5				5
Other long-term liabilities	563				563				375
Total liabilities	8,077				8,077				4,801
Equity
Preferred stock	0				0				0
Common stock	781				781				778
Additional paid-in capital	8,051				8,051				7,963
Accumulated other comprehensive income	462				462				1,108
Retained earnings	4,253				4,253				3,180
Newmont stockholders' equity	13,547				13,547				13,029
Noncontrolling interests	0				0				0
Total equity	13,547				13,547				13,029
Total liabilities and equity	21,624				21,624				17,830
Newmont USA [Member]
Condensed Consolidating Statement of Income
Sales	1,779		1,860		4,765		4,862
Costs and expenses
Costs applicable to sales	623		571		1,740		1,635
Amortization	175		159		490		445
Reclamation and remediation	2		13		50		32
Exploration	52		41		133		97
Advanced projects, research and development	47		26		115		80
General and administrative	41		37		114		112
Other expense, net	17		41		138		156
Total costs and expenses	957		888		2,780		2,557
Other income (expense)
Other income, net	31		1		98		15
Interest income-intercompany	2		2		6		6
Interest expense-intercompany	0		0		0		0
Interest expense, net	(6)		(3)		(18)		(19)
Total other income (expense)	27		0		86		2
Income before income and mining tax and other items	849		972		2,071		2,307
Income and mining tax expense	(288)		(309)		(607)		(775)
Equity income (loss) of affiliates	(19)		1		(16)		2
Income from continuing operations					1,448
Loss from discontinued operations					7
Net income	542		664		1,455		1,534
Net income attributable to noncontrolling interests	(186)		(346)		(551)		(774)
Net income attributable to Newmont stockholders	356		318		904		760
Operating activities:
Net income	542		664		1,455		1,534
Adjustments					542		496
Net change in operating assets and liabilities					(375)		(415)
Net cash provided from continuing operations					1,622		1,615
Net cash used in discontinued operations					0		(13)
Net cash provided from operations					1,622		1,602
Investing activities:
Additions to property, plant and mine development					(1,190)		(478)
Proceeds from sale of marketable securities					62		0
Purchases of marketable securities					0		0
Acquisitions, net					0		0
Proceeds from sale of other assets					(56)		8
Other					0		0
Net cash used in investing activities					(1,184)		(470)
Financing activities:
Net (borrowings) repayments					(276)		(269)
Net intercompany borrowings (repayments)					(2,240)		(11)
Sale of noncontrolling interests					0		229
Acquisition of noncontrolling interests							0
Dividends paid to common stockholders					0		0
Dividends paid to noncontrolling interests					(17)		(458)
Proceeds from stock issuance, net					0		0
Change in restricted cash and other					0		47
Net cash used in financing activities					(2,533)		(462)
Effect of exchange rate changes on cash					(3)		2
Net change in cash and cash equivalents					(2,098)		672
Cash and cash equivalents at beginning of period					3,877		3,067		3,067
Cash and cash equivalents at end of period	1,779		3,739		1,779		3,739
Assets
Cash and cash equivalents	1,779		3,739		1,779		3,739
Trade receivables	273				273				501
Accounts receivable	3,152				3,152				802
Investments	8				8				72
Inventories	370				370				388
Stockpiles and ore on leach pads	547				547				513
Deferred income tax assets	253				253				170
Other current assets	149				149				77
Current assets	6,531				6,531				6,400
Property, plant and mine development, net	6,351				6,351				5,364
Investments	21				21				25
Investments in subsidiaries	43				43				35
Stockpiles and ore on leach pads	1,475				1,475				1,347
Deferred income tax assets	690				690				690
Other long-term assets	615				615				496
Total assets	15,726				15,726				14,357
Liabilities
Debt	61				61				249
Accounts payable	1,257				1,257				1,269
Employee-related benefits	197				197				222
Income and mining taxes	131				131				261
Other current liabilities	399				399				373
Current liabilities	2,045				2,045				2,374
Debt	74				74				135
Reclamation and remediation liabilities	721				721				676
Deferred income tax liabilities	525				525				513
Employee-related benefits	256				256				244
Other long-term liabilities	60				60				56
Total liabilities	3,681				3,681				3,998
Equity
Preferred stock	0				0				0
Common stock	0				0				0
Additional paid-in capital	3,017				3,017				2,722
Accumulated other comprehensive income	(121)				(121)				(75)
Retained earnings	5,754				5,754				4,850
Newmont stockholders' equity	8,650				8,650				7,497
Noncontrolling interests	3,395				3,395				2,862
Total equity	12,045				12,045				10,359
Total liabilities and equity	15,726				15,726				14,357
Other Subsidiaries [Member]
Condensed Consolidating Statement of Income
Sales	965		737		2,828		2,130
Costs and expenses
Costs applicable to sales	393		326		1,152		990
Amortization	96		83		287		253
Reclamation and remediation	4		5		13		12
Exploration	52		26		122		66
Advanced projects, research and development	46		21		133		70
General and administrative	0		1		2		2
Other expense, net	19		9		58		44
Total costs and expenses	610		471		1,767		1,437
Other income (expense)
Other income, net	54		4		74		82
Interest income-intercompany	7		0		11		2
Interest expense-intercompany	(40)		(34)		(118)		(106)
Interest expense, net	(4)		(2)		(7)		(4)
Total other income (expense)	17		(32)		(40)		(26)
Income before income and mining tax and other items	372		234		1,021		667
Income and mining tax expense	(113)		(50)		(301)		(158)
Equity income (loss) of affiliates	81		79		220		209
Income from continuing operations					940
Loss from discontinued operations					(143)
Net income	340		263		797		718
Net income attributable to noncontrolling interests	(17)		25		(7)		20
Net income attributable to Newmont stockholders	323		288		790		738
Operating activities:
Net income	340		263		797		718
Adjustments					(1,372)		(1,194)
Net change in operating assets and liabilities					37		(128)
Net cash provided from continuing operations					(538)		(604)
Net cash used in discontinued operations					(4)		0
Net cash provided from operations					(542)		(604)
Investing activities:
Additions to property, plant and mine development					(591)		(494)
Proceeds from sale of marketable securities					12		1
Purchases of marketable securities					(17)		(9)
Acquisitions, net					(2,301)		(2)
Proceeds from sale of other assets					62		45
Other					(9)		(73)
Net cash used in investing activities					(2,844)		(532)
Financing activities:
Net (borrowings) repayments					(5)		(5)
Net intercompany borrowings (repayments)					3,529		1,325
Sale of noncontrolling interests					0		0
Acquisition of noncontrolling interests							(109)
Dividends paid to common stockholders					0		0
Dividends paid to noncontrolling interests					0		0
Proceeds from stock issuance, net					0		0
Change in restricted cash and other					3		(1)
Net cash used in financing activities					3,527		1,210
Effect of exchange rate changes on cash					36		(2)
Net change in cash and cash equivalents					177		72
Cash and cash equivalents at beginning of period					179		140		140
Cash and cash equivalents at end of period	356		212		356		212
Assets
Cash and cash equivalents	356		212		356		212
Trade receivables	39				39				81
Accounts receivable	773				773				265
Investments	26				26				41
Inventories	350				350				270
Stockpiles and ore on leach pads	80				80				104
Deferred income tax assets	51				51				7
Other current assets	1,639				1,639				885
Current assets	3,314				3,314				1,832
Property, plant and mine development, net	10,690				10,690				7,562
Investments	1,233				1,233				1,543
Investments in subsidiaries	2,789				2,789				1,909
Stockpiles and ore on leach pads	621				621				410
Deferred income tax assets	254				254				109
Other long-term assets	865				865				584
Total assets	19,766				19,766				13,949
Liabilities
Debt	10				10				10
Accounts payable	1,375				1,375				1,996
Employee-related benefits	72				72				66
Income and mining taxes	242				242				75
Other current liabilities	3,842				3,842				2,959
Current liabilities	5,541				5,541				5,106
Debt	51				51				56
Reclamation and remediation liabilities	310				310				308
Deferred income tax liabilities	2,067				2,067				975
Employee-related benefits	89				89				76
Other long-term liabilities	4,192				4,192				2,824
Total liabilities	12,250				12,250				9,345
Equity
Preferred stock	61				61				61
Common stock	0				0				0
Additional paid-in capital	5,730				5,730				3,894
Accumulated other comprehensive income	843				843				1,180
Retained earnings	(317)				(317)				(1,109)
Newmont stockholders' equity	6,317				6,317				4,026
Noncontrolling interests	1,199				1,199				578
Total equity	7,516				7,516				4,604
Total liabilities and equity	19,766				19,766				13,949
Eliminations [Member]
Condensed Consolidating Statement of Income
Sales	0		0		0		0
Costs and expenses
Costs applicable to sales	(8)		(6)		(27)		(17)
Amortization	(1)		0		(1)		(1)
Reclamation and remediation	0		0		0		0
Exploration	0		0		0		0
Advanced projects, research and development	0		(1)		(1)		(1)
General and administrative	9		7		29		19
Other expense, net	0		0		0		0
Total costs and expenses	0		0		0		0
Other income (expense)
Other income, net	0		0		0		0
Interest income-intercompany	(48)		(37)		(132)		(114)
Interest expense-intercompany	48		37		132		114
Interest expense, net	0		0		0		0
Total other income (expense)	0		0		0		0
Income before income and mining tax and other items	0		0		0		0
Income and mining tax expense	0		0		0		0
Equity income (loss) of affiliates	(700)		(650)		(1,777)		(1,623)
Income from continuing operations					(1,777)
Loss from discontinued operations					0
Net income	(700)		(650)		(1,777)		(1,623)
Net income attributable to noncontrolling interests	21		44		83		125
Net income attributable to Newmont stockholders	(679)		(606)		(1,694)		(1,498)
Operating activities:
Net income	(700)		(650)		(1,777)		(1,623)
Adjustments					1,777		1,623
Net change in operating assets and liabilities					0		0
Net cash provided from continuing operations					0		0
Net cash used in discontinued operations					0		0
Net cash provided from operations					0		0
Investing activities:
Additions to property, plant and mine development					0		0
Proceeds from sale of marketable securities					0		0
Purchases of marketable securities					0		0
Acquisitions, net					0		0
Proceeds from sale of other assets					0		0
Other					0		0
Net cash used in investing activities					0		0
Financing activities:
Net (borrowings) repayments					0		0
Net intercompany borrowings (repayments)					0		(98)
Sale of noncontrolling interests					0		0
Acquisition of noncontrolling interests							0
Dividends paid to common stockholders					0		0
Dividends paid to noncontrolling interests					0		98
Proceeds from stock issuance, net					0		0
Change in restricted cash and other					0		0
Net cash used in financing activities					0		0
Effect of exchange rate changes on cash					0		0
Net change in cash and cash equivalents					0		0
Cash and cash equivalents at beginning of period					0		0		0
Cash and cash equivalents at end of period	0		0		0		0
Assets
Cash and cash equivalents	0		0		0		0
Trade receivables	0				0				0
Accounts receivable	(5,124)				(5,124)				(3,201)
Investments	0				0				0
Inventories	0				0				0
Stockpiles and ore on leach pads	0				0				0
Deferred income tax assets	0				0				0
Other current assets	0				0				0
Current assets	(5,124)				(5,124)				(3,201)
Property, plant and mine development, net	(22)				(22)				(19)
Investments	0				0				0
Investments in subsidiaries	(18,367)				(18,367)				(14,239)
Stockpiles and ore on leach pads	0				0				0
Deferred income tax assets	0				0				0
Other long-term assets	(4,464)				(4,464)				(3,014)
Total assets	(27,977)				(27,977)				(20,473)
Liabilities
Debt	0				0				0
Accounts payable	(5,114)				(5,114)				(3,193)
Employee-related benefits	0				0				0
Income and mining taxes	0				0				0
Other current liabilities	(1,972)				(1,972)				(1,970)
Current liabilities	(7,086)				(7,086)				(5,163)
Debt	0				0				0
Reclamation and remediation liabilities	0				0				0
Deferred income tax liabilities	0				0				0
Employee-related benefits	0				0				0
Other long-term liabilities	(4,487)				(4,487)				(3,034)
Total liabilities	(11,573)				(11,573)				(8,197)
Equity
Preferred stock	(61)				(61)				(61)
Common stock	0				0				0
Additional paid-in capital	(8,434)				(8,434)				(6,300)
Accumulated other comprehensive income	(722)				(722)				(1,105)
Retained earnings	(5,437)				(5,437)				(3,741)
Newmont stockholders' equity	(14,654)				(14,654)				(11,207)
Noncontrolling interests	(1,750)				(1,750)				(1,069)
Total equity	(16,404)				(16,404)				(12,276)
Total liabilities and equity	$ (27,977)				$ (27,977)				$ (20,473)

[1] (1) Excludes Amortization and Reclamation and remediation.