v3.26.1
Segments (Details)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
segment
subsidiary
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Segments:          
Number of reportable segments | segment     4    
Number of individual operating subsidiaries | subsidiary     3    
Revenues:          
Insurance premiums $ 2,757 $ 2,694 $ 5,456 $ 5,320  
Net investment income 761 714 1,374 1,322  
Investment losses (5) (46) (23) (55)  
Non-insurance warranty revenue 367 398 741 795  
Operating revenues and other 854 795 1,741 1,667  
Total 4,734 4,555 9,289 9,049  
Expenses:          
Insurance claims and policyholders’ benefits 2,169 2,085 4,344 4,112  
Amortization of deferred acquisition costs 481 469 957 940  
Non-insurance warranty expense 356 384 712 769  
Operating expenses and other 1,040 989 2,049 1,980  
Equity method (income) loss (27) (18) (64) (17)  
Interest 103 107 216 212  
Total 4,122 4,016 8,214 7,996  
Income before income tax 612 539 1,075 1,053  
Income tax (expense) benefit (141) (123) (250) (245)  
Net income 471 416 825 808  
Amounts attributable to noncontrolling interests (27) (25) (44) (47)  
Net income attributable to Loews Corporation 444 391 781 761  
Assets:          
Total assets 87,228 84,668 87,228 84,668 $ 86,348
Total pretax unfavorable development 91 108 191 191  
Operating Expenses and Other:          
Insurance related administrative expenses 343 337 675 658  
Operating expenses 351 324 680 669  
Depreciation and amortization 139 144 277 275  
Other 207 184 417 378  
Operating expenses and other 1,040 989 2,049 1,980  
Total property & casualty operations          
Assets:          
Total pretax unfavorable development (6) (4) 94 57  
Operating Segments | CNA Financial          
Revenues:          
Insurance premiums 2,759 2,694 5,460 5,320  
Net investment income 701 662 1,311 1,266  
Investment losses (5) (46) (23) (55)  
Non-insurance warranty revenue 367 398 741 795  
Operating revenues and other 7 9 17 18  
Total 3,829 3,717 7,506 7,344  
Expenses:          
Insurance claims and policyholders’ benefits 2,169 2,085 4,344 4,112  
Amortization of deferred acquisition costs 481 469 957 940  
Non-insurance warranty expense 356 384 712 769  
Operating expenses and other 385 368 755 731  
Equity method (income) loss  
Interest 33 31 66 63  
Total 3,424 3,337 6,834 6,615  
Income before income tax 405 380 672 729  
Income tax (expense) benefit (84) (81) (140) (156)  
Net income 321 299 532 573  
Amounts attributable to noncontrolling interests (27) (25) (44) (47)  
Net income attributable to Loews Corporation 294 274 488 526  
Assets:          
Total assets 69,827 68,891 69,827 68,891  
Operating Expenses and Other:          
Insurance related administrative expenses 343 337 675 658  
Operating expenses  
Depreciation and amortization  
Other 42 31 80 73  
Operating expenses and other 385 368 755 731  
Operating Segments | CNA Financial | Total property & casualty operations          
Assets:          
Loss from catastrophes 60 62 148 159  
Total pretax unfavorable development 91 108 191 191  
Operating Segments | Boardwalk Pipelines          
Revenues:          
Insurance premiums  
Net investment income 2 3 7 4  
Investment losses  
Non-insurance warranty revenue  
Operating revenues and other 574 534 1,200 1,155  
Total 576 537 1,207 1,159  
Expenses:          
Insurance claims and policyholders’ benefits  
Amortization of deferred acquisition costs  
Non-insurance warranty expense  
Operating expenses and other 407 380 784 761  
Equity method (income) loss  
Interest 36 40 79 79  
Total 443 420 863 840  
Income before income tax 133 117 344 319  
Income tax (expense) benefit (33) (29) (85) (79)  
Net income 100 88 259 240  
Amounts attributable to noncontrolling interests  
Net income attributable to Loews Corporation 100 88 259 240  
Assets:          
Total assets 10,369 10,048 10,369 10,048  
Operating Expenses and Other:          
Insurance related administrative expenses  
Operating expenses 196 177 372 369  
Depreciation and amortization 112 120 223 226  
Other 99 83 189 166  
Operating expenses and other 407 380 784 761  
Operating Segments | Loews Hotels & Co          
Revenues:          
Insurance premiums  
Net investment income 3 2 6 5  
Investment losses  
Non-insurance warranty revenue  
Operating revenues and other 273 252 524 494  
Total 276 254 530 499  
Expenses:          
Insurance claims and policyholders’ benefits  
Amortization of deferred acquisition costs  
Non-insurance warranty expense  
Operating expenses and other 233 226 479 457  
Equity method (income) loss (41) (29) (85) (35)  
Interest 15 18 30 34  
Total 207 215 424 456  
Income before income tax 69 39 106 43  
Income tax (expense) benefit (21) (11) (32) (15)  
Net income 48 28 74 28  
Amounts attributable to noncontrolling interests  
Net income attributable to Loews Corporation 48 28 74 28  
Assets:          
Total assets 2,585 2,477 2,585 2,477  
Operating Expenses and Other:          
Insurance related administrative expenses  
Operating expenses 155 147 308 300  
Depreciation and amortization 27 24 53 48  
Other 51 55 118 109  
Operating expenses and other 233 226 479 457  
Corporate, Reconciling Items and Eliminations | Corporate          
Revenues:          
Insurance premiums (2) (4)  
Net investment income 55 47 50 47  
Investment losses  
Non-insurance warranty revenue  
Operating revenues and other  
Total 53 47 46 47  
Expenses:          
Insurance claims and policyholders’ benefits  
Amortization of deferred acquisition costs  
Non-insurance warranty expense  
Operating expenses and other 15 15 31 31  
Equity method (income) loss 14 11 21 18  
Interest 19 18 41 36  
Total 48 44 93 85  
Income before income tax 5 3 (47) (38)  
Income tax (expense) benefit (3) (2) 7 5  
Net income 2 1 (40) (33)  
Amounts attributable to noncontrolling interests  
Net income attributable to Loews Corporation 2 1 (40) (33)  
Assets:          
Total assets 4,447 3,252 4,447 3,252  
Operating Expenses and Other:          
Insurance related administrative expenses  
Operating expenses  
Depreciation and amortization 1 1  
Other 15 15 30 30  
Operating expenses and other $ 15 $ 15 $ 31 $ 31