v3.26.3
Segments (Details)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
segment
subsidiary
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Segments:          
Number of reportable segments | segment     4    
Number of individual operating subsidiaries | subsidiary     3    
Revenues:          
Insurance premiums $ 2,829 $ 2,783 $ 8,285 $ 8,103  
Net investment income 713 743 2,087 2,065  
Investment gains (losses) (9) (7) (32) (62)  
Non-insurance warranty revenue 357 393 1,098 1,188  
Operating revenues and other 869 759 2,610 2,426  
Total 4,759 4,671 14,048 13,720  
Expenses:          
Insurance claims and policyholders’ benefits 2,347 2,032 6,691 6,144  
Amortization of deferred acquisition costs 492 483 1,449 1,423  
Non-insurance warranty expense 339 377 1,051 1,146  
Operating expenses and other 1,090 1,000 3,139 2,980  
Equity method (income) loss (16) (22) (80) (39)  
Interest 101 112 317 324  
Total 4,353 3,982 12,567 11,978  
Income (loss) before income tax 406 689 1,481 1,742  
Income tax expense (84) (153) (334) (398)  
Net income (loss) 322 536 1,147 1,344  
Amounts attributable to noncontrolling interests (16) (32) (60) (79)  
Net income (loss) attributable to Loews Corporation 306 504 1,087 1,265  
Assets:          
Total assets 85,328 85,941 85,328 85,941 $ 86,348
Total pretax (favorable) unfavorable development (1) (1) 190 190  
Operating Expenses and Other:          
Insurance related administrative expenses 349 324 1,024 982  
Operating expenses 401 334 1,081 1,003  
Depreciation and amortization 142 135 419 410  
Other 198 207 615 585  
Operating expenses and other 1,090 1,000 3,139 2,980  
Total property & casualty operations          
Assets:          
Total pretax (favorable) unfavorable development (1) (1) 93 56  
Operating Segments | CNA Financial          
Revenues:          
Insurance premiums 2,831 2,783 8,291 8,103  
Net investment income 635 638 1,946 1,904  
Investment gains (losses) (9) (7) (32) (62)  
Non-insurance warranty revenue 357 393 1,098 1,188  
Operating revenues and other 7 10 24 28  
Total 3,821 3,817 11,327 11,161  
Expenses:          
Insurance claims and policyholders’ benefits 2,347 2,032 6,691 6,144  
Amortization of deferred acquisition costs 492 483 1,449 1,423  
Non-insurance warranty expense 339 377 1,051 1,146  
Operating expenses and other 374 376 1,129 1,107  
Equity method (income) loss  
Interest 32 36 98 99  
Total 3,584 3,304 10,418 9,919  
Income (loss) before income tax 237 513 909 1,242  
Income tax expense (41) (110) (181) (266)  
Net income (loss) 196 403 728 976  
Amounts attributable to noncontrolling interests (16) (32) (60) (79)  
Net income (loss) attributable to Loews Corporation 180 371 668 897  
Assets:          
Total assets 67,848 69,704 67,848 69,704  
Operating Expenses and Other:          
Insurance related administrative expenses 349 324 1,024 982  
Operating expenses  
Depreciation and amortization  
Other 25 52 105 125  
Operating expenses and other 374 376 1,129 1,107  
Operating Segments | CNA Financial | Total property & casualty operations          
Assets:          
Loss from catastrophes 78 41 226 200  
Total pretax (favorable) unfavorable development (1) (1) 190 190  
Operating Segments | Boardwalk Pipelines          
Revenues:          
Insurance premiums  
Net investment income 1 4 8 8  
Investment gains (losses)  
Non-insurance warranty revenue  
Operating revenues and other 615 542 1,815 1,697  
Total 616 546 1,823 1,705  
Expenses:          
Insurance claims and policyholders’ benefits  
Amortization of deferred acquisition costs  
Non-insurance warranty expense  
Operating expenses and other 467 382 1,251 1,143  
Equity method (income) loss  
Interest 35 40 114 119  
Total 502 422 1,365 1,262  
Income (loss) before income tax 114 124 458 443  
Income tax expense (29) (30) (114) (109)  
Net income (loss) 85 94 344 334  
Amounts attributable to noncontrolling interests  
Net income (loss) attributable to Loews Corporation 85 94 344 334  
Assets:          
Total assets 10,542 10,133 10,542 10,133  
Operating Expenses and Other:          
Insurance related administrative expenses  
Operating expenses 246 190 618 559  
Depreciation and amortization 114 107 337 333  
Other 107 85 296 251  
Operating expenses and other 467 382 1,251 1,143  
Operating Segments | Loews Hotels & Co          
Revenues:          
Insurance premiums  
Net investment income 3 4 9 9  
Investment gains (losses)  
Non-insurance warranty revenue  
Operating revenues and other 247 207 771 701  
Total 250 211 780 710  
Expenses:          
Insurance claims and policyholders’ benefits  
Amortization of deferred acquisition costs  
Non-insurance warranty expense  
Operating expenses and other 233 221 712 678  
Equity method (income) loss (17) (25) (102) (60)  
Interest 14 18 44 52  
Total 230 214 654 670  
Income (loss) before income tax 20 (3) 126 40  
Income tax expense (4) (36) (15)  
Net income (loss) 16 (3) 90 25  
Amounts attributable to noncontrolling interests  
Net income (loss) attributable to Loews Corporation 16 (3) 90 25  
Assets:          
Total assets 2,643 2,502 2,643 2,502  
Operating Expenses and Other:          
Insurance related administrative expenses  
Operating expenses 155 144 463 444  
Depreciation and amortization 27 27 80 75  
Other 51 50 169 159  
Operating expenses and other 233 221 712 678  
Corporate, Reconciling Items and Eliminations | Corporate          
Revenues:          
Insurance premiums (2) (6)  
Net investment income 74 97 124 144  
Investment gains (losses)  
Non-insurance warranty revenue  
Operating revenues and other  
Total 72 97 118 144  
Expenses:          
Insurance claims and policyholders’ benefits  
Amortization of deferred acquisition costs  
Non-insurance warranty expense  
Operating expenses and other 16 21 47 52  
Equity method (income) loss 1 3 22 21  
Interest 20 18 61 54  
Total 37 42 130 127  
Income (loss) before income tax 35 55 (12) 17  
Income tax expense (10) (13) (3) (8)  
Net income (loss) 25 42 (15) 9  
Amounts attributable to noncontrolling interests  
Net income (loss) attributable to Loews Corporation 25 42 (15) 9  
Assets:          
Total assets 4,295 3,602 4,295 3,602  
Operating Expenses and Other:          
Insurance related administrative expenses  
Operating expenses  
Depreciation and amortization 1 1 2 2  
Other 15 20 45 50  
Operating expenses and other $ 16 $ 21 $ 47 $ 52