Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Cash flow from operating activities:
Net (loss) income	$ (7,995)	$ 1,990
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation, depletion and amortization	2,717	2,924
Impairment of oil and gas properties	9,442	308
Inventory adjustments	154	0
Net gain on sales of assets	(39)	(46)
Net (gains) losses on crude oil and natural gas derivative contracts	(87)	56
Net charges for environmental and asset retirement obligations, including accretion	174	146
Payments for environmental and asset retirement obligations	(135)	(134)
Net gain on early extinguishment of debt	0	(63)
Deferred income taxes	(1,926)	107
Increase in long-term mill and leach stockpiles	(183)	(182)
Other, net	144	106
Changes in working capital and other tax payments, excluding amounts from acquisitions and dispositions:
Accounts receivable	990	200
Inventories	83	(267)
Other current assets	(13)	(26)
Accounts payable and accrued liabilities	(150)	(379)
Accrued income taxes and changes in other tax payments	(568)	(227)
Net cash provided by operating activities	2,608	4,513
Capital expenditures:
North America copper mines	(308)	(815)
South America	(1,339)	(1,278)
Indonesia	(660)	(722)
Africa	(166)	(100)
Molybdenum mines	(10)	(45)
United States oil and gas operations	(2,430)	(2,392)
Other	(142)	(63)
Acquisitions of Deepwater Gulf of Mexico interests	0	(1,421)
Net proceeds from sale of Eagle Ford shale assets	0	2,971
Other, net	114	221
Net cash used in investing activities	(4,941)	(3,644)
Cash flow from financing activities:
Proceeds from debt	6,552	3,346
Repayments of debt	(4,693)	(4,196)
Net proceeds from sale of common Stock	999	0
Cash dividends and distributions paid:
Common stock	(547)	(979)
Noncontrolling interests	(89)	(365)
Stock-based awards net (payments) proceeds, including excess tax benefit	(8)	7
Debt financing costs and other, net	(7)	(9)
Net cash provided by (used in) financing activities	2,207	(2,196)
Net decrease in cash and cash equivalents	(126)	(1,327)
Cash and cash equivalents at beginning of year	464	1,985
Cash and cash equivalents at end of period	$ 338	$ 658