v3.25.2
Segments - Segments (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jul. 05, 2025
Jun. 29, 2024
Jul. 05, 2025
Jun. 29, 2024
Dec. 31, 2024
Segment Reporting Information [Line Items]          
Net sales $ 8,456 $ 8,077 $ 16,286 $ 16,214  
Total sales 12,765 11,637 24,545 23,730  
Depreciation expense 303 271 606 528  
Amortization expense 63 61 128 120  
Cost of products sold 7,233 6,883 14,458 13,497  
Other segment items 156 116 212 230  
Segment earnings before income taxes and noncontrolling interests 1,292 1,126 1,840 2,750  
Earnings before income taxes and noncontrolling interests 899 898 1,184 2,123  
Capital expenditures 865 849 1,786 1,508  
Total assets 34,217   34,217   $ 33,940
Steel Mills [Member]          
Segment Reporting Information [Line Items]          
Total sales 6,613 6,030 12,594 12,450  
Other segment items 43 16 50 34  
Segment earnings before income taxes and noncontrolling interests 843 645 1,074 1,748  
Steel Products [Member]          
Segment Reporting Information [Line Items]          
Total sales 2,805 2,858 5,360 5,512  
Other segment items 85 78 123 157  
Segment earnings before income taxes and noncontrolling interests 392 442 680 953  
Raw Materials [Member]          
Segment Reporting Information [Line Items]          
Total sales 3,347 2,749 6,591 5,768  
Other segment items 28 22 39 39  
Segment earnings before income taxes and noncontrolling interests 57 39 86 49  
Operating Segments [Member]          
Segment Reporting Information [Line Items]          
Net sales 8,456 8,077 16,286 16,214  
Cost of products sold 11,317 10,395 22,493 20,750  
Operating Segments [Member] | Steel Mills [Member]          
Segment Reporting Information [Line Items]          
Net sales 5,253 4,858 10,160 10,027  
Depreciation expense 197 181 404 351  
Amortization expense 2 2 4 4  
Cost of products sold 5,727 5,369 11,470 10,668  
Capital expenditures 552 614 1,161 1,015  
Total assets 17,744   17,744   16,582
Operating Segments [Member] | Steel Products [Member]          
Segment Reporting Information [Line Items]          
Net sales 2,657 2,703 5,062 5,220  
Depreciation expense 46 37 86 72  
Amortization expense 54 52 110 102  
Cost of products sold 2,328 2,338 4,557 4,402  
Capital expenditures 156 119 310 218  
Total assets 11,699   11,699   11,235
Operating Segments [Member] | Raw Materials [Member]          
Segment Reporting Information [Line Items]          
Net sales 546 516 1,064 967  
Depreciation expense 54 48 105 96  
Amortization expense 7 7 14 14  
Cost of products sold 3,262 2,688 6,466 5,680  
Capital expenditures 118 105 236 232  
Total assets 3,848   3,848   3,656
Intercompany Eliminations [Member]          
Segment Reporting Information [Line Items]          
Net sales 4,309 3,560 8,259 7,516  
Intercompany Eliminations [Member] | Steel Mills [Member]          
Segment Reporting Information [Line Items]          
Net sales 1,360 1,172 2,434 2,423  
Intercompany Eliminations [Member] | Steel Products [Member]          
Segment Reporting Information [Line Items]          
Net sales 148 155 298 292  
Intercompany Eliminations [Member] | Raw Materials [Member]          
Segment Reporting Information [Line Items]          
Net sales 2,801 2,233 5,527 4,801  
Corporate and Eliminations Items [Member]          
Segment Reporting Information [Line Items]          
Net sales (4,309) (3,560) (8,259) (7,516)  
Earnings before income taxes and noncontrolling interests (393) (228) (656) (627)  
Corporate [Member]          
Segment Reporting Information [Line Items]          
Depreciation expense 6 5 11 9  
Capital expenditures 39 $ 11 79 $ 43  
Total assets $ 926   $ 926   $ 2,467