Table of Contents The following tables reconcile certain segment information to consolidated totals: Sales by major product grouping were as follows: 70 For the year ended December 31, 2019 2018 2017 Sales: Innovative flat-rolled products $ 5,471 $ 5,604 $ 5,000 Engine products 3,452 3,220 2,965 Fastening systems 1,561 1,531 1,484 Engineered structures 1,123 1,081 1,023 Architectural aluminum systems 1,118 1,135 1,069 Forged wheels 969 966 828 Aluminum extrusions 493 484 471 Other 5 (7 ) 120 $ 14,192 $ 14,014 $ 12,960 December 31, 2019 2018 Assets: Total segment assets $ 14,941 $ 15,339 Unallocated amounts: Cash and cash equivalents 1,648 2,277 Deferred income taxes 608 573 Corporate fixed assets, net 326 334 Fair value of derivative contracts 6 37 Other 49 133 Consolidated assets $ 17,578 $ 18,693 For the year ended December 31, 2019 2018 2017 Total segment operating profit $ 2,015 $ 1,586 $ 1,689 Unallocated amounts: Impairment of goodwill — — (719 ) Restructuring and other charges (620) (9) (165) Corporate expense (360 ) (252 ) (325 ) Consolidated operating income $ 1,035 $ 1,325 $ 480 Interest expense (338 ) (378 ) (496 ) Other (expense) income, net (122) (79) 486 Consolidated income before income taxes $ 575 $ 868 $ 470 For the year ended December 31, 2019 2018 2017 Sales: Total segment sales $ 14,370 $ 14,226 $ 13,023 Elimination of intersegment sales (183 ) (205 ) (183 ) Corporate 5 (7) 120 Consolidated sales $ 14,192 $ 14,014 $ 12,960