v3.20.1

Segment and Related Information​ - Operating Results (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | $ 1,611 | $ 1,841
Segment operating profit | 159 | 109
Provision for depreciation and amortization | 60 | 63
Restructuring and other charges | (19) | 2
Rolled Products |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 1,222 | 1,411
Extrusions |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 133 | 149
Building and Construction Systems |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 256 | 281
Operating segments |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 1,618 | 1,848
Segment operating profit | 159 | 109
Provision for depreciation and amortization | 56 | 59
Restructuring and other charges | (21) | 11
Operating segments | Rolled Products |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 1,229 | 1,418
Segment operating profit | 125 | 91
Provision for depreciation and amortization | 46 | 47
Restructuring and other charges | 9 | 6
Operating segments | Extrusions |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 133 | 149
Segment operating profit | 6 | (4)
Provision for depreciation and amortization | 6 | 7
Restructuring and other charges | (31) | 0
Operating segments | Building and Construction Systems |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 256 | 281
Segment operating profit | 28 | 22
Provision for depreciation and amortization | 4 | 5
Restructuring and other charges | 1 | 5
Intersegment sales |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 7 | 7
Intersegment sales | Rolled Products |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 7 | 7
Intersegment sales | Extrusions |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 0 | 0
Intersegment sales | Building and Construction Systems |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 0 | 0
Sales to unrelated parties |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 1,576 | 1,789
Sales to unrelated parties | Rolled Products |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 1,201 | 1,376
Sales to unrelated parties | Extrusions |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 119 | 132
Sales to unrelated parties | Building and Construction Systems |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 256 | 281
Sales to related parties |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 35 | 52
Sales to related parties | Rolled Products |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 21 | 35
Sales to related parties | Extrusions |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | 14 | 17
Sales to related parties | Building and Construction Systems |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Total Sales | $ 0 | $ 0

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