v3.26.1
Revenue from Contracts with Customers - Disaggregation of Revenue (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenues        
Total revenues from contracts with customers $ 828 $ 769 $ 1,686 $ 1,615
Other revenues 26 26 55 52
Operating revenues and other 854 795 1,741 1,667
CNA Financial | Non-insurance warranty – CNA Financial        
Disaggregation of Revenues        
Total revenues from contracts with customers 367 398 741 795
Boardwalk Pipelines | Transportation and storage of natural gas and NGLs and ethane supply and transportation services – Boardwalk Pipelines        
Disaggregation of Revenues        
Total revenues from contracts with customers 562 523 1,174 1,132
Loews Hotels & Co | Lodging and related services – Loews Hotels & Co        
Disaggregation of Revenues        
Total revenues from contracts with customers $ 266 $ 246 $ 512 $ 483