v3.20.2
Revenue from Contracts with Customers
9 Months Ended
Sep. 30, 2020
Revenue from Contract with Customer [Abstract]  
Revenue from Contracts with Customers Revenue from Contracts with Customers​
The following table disaggregates revenue by major end market served.
Third quarter ended September 30,Rolled
Products
Building and
Construction
Systems
ExtrusionsTotal
2020
Ground Transportation$493 $— $25 $518 
Building and Construction42 241 — 283 
Aerospace107 — 44 151 
Industrial Products and Other252 — 13 265 
Packaging198 — — 198 
Total end-market revenue$1,092 $241 $82 $1,415 
2019
Ground Transportation$592 $— $26 $618 
Building and Construction47 282 — 329 
Aerospace243 — 68 311 
Industrial Products and Other279 — 32 311 
Packaging236 — — 236 
Total end-market revenue$1,397 $282 $126 $1,805 

Nine months ended September 30,Rolled
Products
Building and
Construction
Systems
ExtrusionsTotal
2020
Ground Transportation$1,242 $— $62 $1,304 
Building and Construction110 727 — 837 
Aerospace505 — 183 688 
Industrial Products and Other766 — 51 817 
Packaging571 — — 571 
Total end-market revenue$3,194 $727 $296 $4,217 
2019
Ground Transportation$1,878 $— $88 $1,966 
Building and Construction149 855 — 1,004 
Aerospace754 — 221 975 
Industrial Products and Other826 — 111 937 
Packaging687 — — 687 
Total end-market revenue$4,294 $855 $420 $5,569