v3.22.4
Segment and Related Information​ - Operating Results and Assets (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Segment Reporting Information [Line Items]            
Total sales       $ 8,961 $ 7,504 $ 5,675
Provision for depreciation and amortization       237 253 251
Assets   $ 6,580   6,015 6,580  
Capital expenditures   2,651   2,361 2,651  
Goodwill   322   292 322 390
Asset impairments       92 34 15
Rolled Products            
Segment Reporting Information [Line Items]            
Goodwill $ 232 253   224 253 254
Inventory Write-down   10 $ 7      
Building and Construction Systems            
Segment Reporting Information [Line Items]            
Goodwill 67 69   68 69 71
Extrusions            
Segment Reporting Information [Line Items]            
Goodwill   0   0 0 65
Asset impairments 92     92    
Impairment of Intangible Assets, Finite-Lived $ 2     2    
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration] Restructuring and other charges          
External Sales Including Reconciling Items            
Segment Reporting Information [Line Items]            
Total sales       8,967 7,504 5,679
External Sales Including Reconciling Items | Rolled Products            
Segment Reporting Information [Line Items]            
Total sales       7,313 6,187 4,335
External Sales Including Reconciling Items | Building and Construction Systems            
Segment Reporting Information [Line Items]            
Total sales       1,245 1,011 963
External Sales Including Reconciling Items | Extrusions            
Segment Reporting Information [Line Items]            
Total sales       409 306 381
Elimination of intersegment sales            
Segment Reporting Information [Line Items]            
Total sales       (46) (34) (21)
Elimination of intersegment sales | Rolled Products            
Segment Reporting Information [Line Items]            
Total sales       (44) (33) (19)
Elimination of intersegment sales | Building and Construction Systems            
Segment Reporting Information [Line Items]            
Total sales       0 0 0
Elimination of intersegment sales | Extrusions            
Segment Reporting Information [Line Items]            
Total sales       (2) (1) (2)
Segment total            
Segment Reporting Information [Line Items]            
Total sales       9,013 7,538 5,700
Segment Adjusted EBITDA       729 757 648
Provision for depreciation and amortization       225 237 235
Assets   5,563   5,094 5,563  
Segment total | Rolled Products            
Segment Reporting Information [Line Items]            
Total sales       7,357 6,220 4,354
Segment Adjusted EBITDA       581 655 527
Provision for depreciation and amortization       190 197 192
Assets   4,766   4,308 4,766  
Segment total | Building and Construction Systems            
Segment Reporting Information [Line Items]            
Total sales       1,245 1,011 963
Segment Adjusted EBITDA       195 130 137
Provision for depreciation and amortization       17 17 18
Assets   416   474 416  
Segment total | Extrusions            
Segment Reporting Information [Line Items]            
Total sales       411 307 383
Segment Adjusted EBITDA       (47) (28) (16)
Provision for depreciation and amortization       18 23 25
Assets   381   312 381  
Supplemental Information            
Segment Reporting Information [Line Items]            
Total sales       (6) 0 $ (4)
Capital expenditures   172   228 172  
Goodwill   322   292 322  
Supplemental Information | Rolled Products            
Segment Reporting Information [Line Items]            
Capital expenditures   147   194 147  
Goodwill   253   224 253  
Supplemental Information | Building and Construction Systems            
Segment Reporting Information [Line Items]            
Capital expenditures   11   18 11  
Goodwill   69   68 69  
Supplemental Information | Extrusions            
Segment Reporting Information [Line Items]            
Capital expenditures   14   16 14  
Goodwill   $ 0   $ 0 $ 0