Business Segments (Segment Reporting) (Details) $ in Millions |
3 Months Ended |
6 Months Ended |
|
Jun. 30, 2018
USD ($)
|
Jun. 30, 2017
USD ($)
|
Jun. 30, 2018
USD ($)
segment
|
Jun. 30, 2017
USD ($)
|
Dec. 31, 2017
USD ($)
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Number of Operating Segments | segment |
|
|
4
|
|
|
Revenues |
$ 5,168
|
$ 3,711
|
$ 10,036
|
$ 7,052
|
|
Production and delivery |
2,915
|
2,480
|
5,723
|
4,668
|
|
Depreciation, depletion and amortization |
442
|
450
|
893
|
839
|
|
Selling, general and administrative expenses |
109
|
107
|
240
|
258
|
|
Mining exploration and research expenses |
24
|
19
|
45
|
33
|
|
Environmental obligations and shutdown costs |
59
|
(21)
|
68
|
4
|
|
Net gain on sales of assets |
(45)
|
(10)
|
(56)
|
(33)
|
|
Operating income (loss) |
1,664
|
686
|
3,123
|
1,283
|
|
Interest expense, net |
142
|
162
|
293
|
329
|
|
Provision for (benefit from) income taxes |
515
|
186
|
1,021
|
360
|
|
Total assets |
37,028
|
37,043
|
37,028
|
37,043
|
$ 37,302
|
Capital expenditures |
482
|
362
|
884
|
706
|
|
Assets held for sale |
625
|
373
|
625
|
373
|
$ 508
|
Operating Segments | North America |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
38
|
77
|
56
|
193
|
|
Production and delivery |
789
|
720
|
1,580
|
1,386
|
|
Depreciation, depletion and amortization |
92
|
118
|
186
|
234
|
|
Selling, general and administrative expenses |
1
|
1
|
4
|
2
|
|
Mining exploration and research expenses |
0
|
1
|
1
|
2
|
|
Environmental obligations and shutdown costs |
0
|
0
|
0
|
0
|
|
Net gain on sales of assets |
0
|
0
|
0
|
0
|
|
Operating income (loss) |
365
|
308
|
784
|
619
|
|
Interest expense, net |
1
|
1
|
2
|
2
|
|
Provision for (benefit from) income taxes |
0
|
0
|
0
|
0
|
|
Total assets |
7,193
|
7,144
|
7,193
|
7,144
|
|
Capital expenditures |
140
|
39
|
232
|
67
|
|
Operating Segments | South America |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
890
|
678
|
1,665
|
1,430
|
|
Production and delivery |
578
|
463
|
1,121
|
936
|
|
Depreciation, depletion and amortization |
133
|
125
|
260
|
258
|
|
Selling, general and administrative expenses |
2
|
3
|
4
|
5
|
|
Mining exploration and research expenses |
0
|
0
|
0
|
0
|
|
Environmental obligations and shutdown costs |
0
|
0
|
0
|
0
|
|
Net gain on sales of assets |
0
|
0
|
0
|
0
|
|
Operating income (loss) |
277
|
144
|
482
|
404
|
|
Interest expense, net |
16
|
15
|
33
|
31
|
|
Provision for (benefit from) income taxes |
108
|
58
|
180
|
159
|
|
Total assets |
10,345
|
10,307
|
10,345
|
10,307
|
|
Capital expenditures |
71
|
30
|
138
|
45
|
|
Corporate And Eliminations [Member] |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
612
|
445
|
1,204
|
819
|
|
Production and delivery |
(916)
|
(755)
|
(1,910)
|
(1,573)
|
|
Depreciation, depletion and amortization |
14
|
25
|
35
|
54
|
|
Selling, general and administrative expenses |
73
|
69
|
154
|
182
|
|
Mining exploration and research expenses |
24
|
18
|
44
|
31
|
|
Environmental obligations and shutdown costs |
59
|
(21)
|
68
|
4
|
|
Net gain on sales of assets |
(45)
|
(10)
|
(56)
|
(33)
|
|
Operating income (loss) |
(26)
|
(86)
|
(109)
|
(217)
|
|
Interest expense, net |
119
|
142
|
247
|
288
|
|
Provision for (benefit from) income taxes |
(22)
|
(9)
|
10
|
(4)
|
|
Total assets |
5,550
|
5,931
|
5,550
|
5,931
|
|
Capital expenditures |
20
|
61
|
54
|
108
|
|
Intersegment |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
0
|
0
|
0
|
0
|
|
Intersegment | North America |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
1,209
|
1,071
|
2,499
|
2,050
|
|
Intersegment | South America |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
100
|
57
|
202
|
173
|
|
Pt Smelting [Member] | Affiliated Entity [Member] |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
649
|
536
|
$ 1,300
|
794
|
|
Pt Smelting [Member] |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Deferred Intercompany Profit, Percentage |
|
|
25.00%
|
|
|
Morenci [Member] | Operating Segments | North America |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
25
|
45
|
$ 28
|
111
|
|
Production and delivery |
298
|
266
|
588
|
523
|
|
Depreciation, depletion and amortization |
44
|
49
|
90
|
96
|
|
Selling, general and administrative expenses |
1
|
1
|
2
|
1
|
|
Mining exploration and research expenses |
0
|
0
|
0
|
0
|
|
Environmental obligations and shutdown costs |
0
|
0
|
0
|
0
|
|
Net gain on sales of assets |
0
|
0
|
0
|
0
|
|
Operating income (loss) |
250
|
207
|
517
|
385
|
|
Interest expense, net |
1
|
0
|
2
|
1
|
|
Provision for (benefit from) income taxes |
0
|
0
|
0
|
0
|
|
Total assets |
2,819
|
2,830
|
2,819
|
2,830
|
|
Capital expenditures |
41
|
29
|
88
|
52
|
|
Morenci [Member] | Intersegment | North America |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
568
|
478
|
1,169
|
894
|
|
Other Individually Immaterial Operating Segments [Member] | Operating Segments | North America |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
13
|
32
|
28
|
82
|
|
Production and delivery |
491
|
454
|
992
|
863
|
|
Depreciation, depletion and amortization |
48
|
69
|
96
|
138
|
|
Selling, general and administrative expenses |
0
|
0
|
2
|
1
|
|
Mining exploration and research expenses |
0
|
1
|
1
|
2
|
|
Environmental obligations and shutdown costs |
0
|
0
|
0
|
0
|
|
Net gain on sales of assets |
0
|
0
|
0
|
0
|
|
Operating income (loss) |
115
|
101
|
267
|
234
|
|
Interest expense, net |
0
|
1
|
0
|
1
|
|
Provision for (benefit from) income taxes |
0
|
0
|
0
|
0
|
|
Total assets |
4,374
|
4,314
|
4,374
|
4,314
|
|
Capital expenditures |
99
|
10
|
144
|
15
|
|
Other Individually Immaterial Operating Segments [Member] | Operating Segments | South America |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
171
|
111
|
321
|
223
|
|
Production and delivery |
133
|
87
|
249
|
169
|
|
Depreciation, depletion and amortization |
24
|
21
|
46
|
42
|
|
Selling, general and administrative expenses |
0
|
0
|
0
|
0
|
|
Mining exploration and research expenses |
0
|
0
|
0
|
0
|
|
Environmental obligations and shutdown costs |
0
|
0
|
0
|
0
|
|
Net gain on sales of assets |
0
|
0
|
0
|
0
|
|
Operating income (loss) |
14
|
3
|
26
|
12
|
|
Interest expense, net |
0
|
0
|
0
|
0
|
|
Provision for (benefit from) income taxes |
6
|
2
|
10
|
5
|
|
Total assets |
1,715
|
1,479
|
1,715
|
1,479
|
|
Capital expenditures |
3
|
1
|
7
|
2
|
|
Other Individually Immaterial Operating Segments [Member] | Intersegment | North America |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
641
|
593
|
1,330
|
1,156
|
|
Other Individually Immaterial Operating Segments [Member] | Intersegment | South America |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
0
|
0
|
0
|
0
|
|
Cerro Verde [Member] | Operating Segments | South America |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
719
|
567
|
1,344
|
1,207
|
|
Production and delivery |
445
|
376
|
872
|
767
|
|
Depreciation, depletion and amortization |
109
|
104
|
214
|
216
|
|
Selling, general and administrative expenses |
2
|
3
|
4
|
5
|
|
Mining exploration and research expenses |
0
|
0
|
0
|
0
|
|
Environmental obligations and shutdown costs |
0
|
0
|
0
|
0
|
|
Net gain on sales of assets |
0
|
0
|
0
|
0
|
|
Operating income (loss) |
263
|
141
|
456
|
392
|
|
Interest expense, net |
16
|
15
|
33
|
31
|
|
Provision for (benefit from) income taxes |
102
|
56
|
170
|
154
|
|
Total assets |
8,630
|
8,828
|
8,630
|
8,828
|
|
Capital expenditures |
68
|
29
|
131
|
43
|
|
Cerro Verde [Member] | Intersegment | South America |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
100
|
57
|
202
|
173
|
|
Grasberg Segment [Member] |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Capital expenditures |
|
|
449
|
457
|
|
Grasberg Segment [Member] | Operating Segments | Indonesia |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
1,639
|
1,065
|
3,160
|
1,599
|
|
Production and delivery |
425
|
547
|
882
|
817
|
|
Depreciation, depletion and amortization |
172
|
153
|
353
|
236
|
|
Selling, general and administrative expenses |
28
|
30
|
67
|
60
|
|
Mining exploration and research expenses |
0
|
0
|
0
|
0
|
|
Environmental obligations and shutdown costs |
0
|
0
|
0
|
0
|
|
Net gain on sales of assets |
0
|
0
|
0
|
0
|
|
Operating income (loss) |
1,015
|
335
|
1,911
|
486
|
|
Interest expense, net |
0
|
0
|
0
|
0
|
|
Provision for (benefit from) income taxes |
429
|
135
|
830
|
202
|
|
Total assets |
10,911
|
10,769
|
10,911
|
10,769
|
|
Capital expenditures |
246
|
213
|
449
|
457
|
|
Grasberg Segment [Member] | Intersegment | Indonesia |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
1
|
0
|
53
|
0
|
|
Molybdenum [Member] |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Capital expenditures |
|
|
2
|
2
|
|
Molybdenum [Member] | Operating Segments |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
0
|
0
|
0
|
0
|
|
Production and delivery |
71
|
58
|
138
|
110
|
|
Depreciation, depletion and amortization |
21
|
19
|
40
|
38
|
|
Selling, general and administrative expenses |
0
|
0
|
0
|
0
|
|
Mining exploration and research expenses |
0
|
0
|
0
|
0
|
|
Environmental obligations and shutdown costs |
0
|
0
|
0
|
0
|
|
Net gain on sales of assets |
0
|
0
|
0
|
0
|
|
Operating income (loss) |
19
|
(6)
|
28
|
(14)
|
|
Interest expense, net |
0
|
0
|
0
|
0
|
|
Provision for (benefit from) income taxes |
0
|
0
|
0
|
0
|
|
Total assets |
1,820
|
1,900
|
1,820
|
1,900
|
|
Capital expenditures |
1
|
1
|
2
|
2
|
|
Molybdenum [Member] | Intersegment |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
111
|
71
|
206
|
134
|
|
Rod and Refining Segment [Member] | Operating Segments |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
1,387
|
1,046
|
2,772
|
2,153
|
|
Production and delivery |
1,389
|
1,047
|
2,777
|
2,156
|
|
Depreciation, depletion and amortization |
3
|
3
|
5
|
5
|
|
Selling, general and administrative expenses |
0
|
0
|
0
|
0
|
|
Mining exploration and research expenses |
0
|
0
|
0
|
0
|
|
Environmental obligations and shutdown costs |
0
|
0
|
0
|
0
|
|
Net gain on sales of assets |
0
|
0
|
0
|
0
|
|
Operating income (loss) |
3
|
2
|
6
|
6
|
|
Interest expense, net |
0
|
0
|
0
|
0
|
|
Provision for (benefit from) income taxes |
0
|
0
|
0
|
0
|
|
Total assets |
278
|
253
|
278
|
253
|
|
Capital expenditures |
1
|
1
|
2
|
2
|
|
Rod and Refining Segment [Member] | Intersegment |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
8
|
6
|
16
|
14
|
|
Atlantic Copper Smelting and Refining Segment [Member] | Operating Segments |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
602
|
400
|
1,179
|
858
|
|
Production and delivery |
579
|
400
|
1,135
|
836
|
|
Depreciation, depletion and amortization |
7
|
7
|
14
|
14
|
|
Selling, general and administrative expenses |
5
|
4
|
11
|
9
|
|
Mining exploration and research expenses |
0
|
0
|
0
|
0
|
|
Environmental obligations and shutdown costs |
0
|
0
|
0
|
0
|
|
Net gain on sales of assets |
0
|
0
|
0
|
0
|
|
Operating income (loss) |
11
|
(11)
|
21
|
(1)
|
|
Interest expense, net |
6
|
4
|
11
|
8
|
|
Provision for (benefit from) income taxes |
0
|
2
|
1
|
3
|
|
Total assets |
931
|
739
|
931
|
739
|
|
Capital expenditures |
3
|
17
|
7
|
25
|
|
Atlantic Copper Smelting and Refining Segment [Member] | Intersegment |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
0
|
0
|
2
|
0
|
|
Corporate And Eliminations [Member] | Intersegment |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Revenues |
$ (1,429)
|
(1,205)
|
$ (2,978)
|
(2,371)
|
|
Restatement Adjustment [Member] | Accounting Standards Update 2017-05 [Member] |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Production and delivery |
|
(15)
|
|
(27)
|
|
Selling, general and administrative expenses |
|
|
|
(2)
|
|
Mining exploration and research expenses |
|
|
|
(1)
|
|
Environmental obligations and shutdown costs |
|
(2)
|
|
(4)
|
|
Operating income (loss) |
|
17
|
|
34
|
|
One-time Termination Benefits [Member] | Grasberg Segment [Member] | Operating Segments | Indonesia |
|
|
|
|
|
Segment Reporting Information [Line Items] |
|
|
|
|
|
Production and delivery |
|
(82)
|
|
(103)
|
|
Selling, general and administrative expenses |
|
$ (5)
|
|
$ (5)
|
|