v3.26.3
Goodwill and Other Intangible Assets (Details) - Other Intangible Assets - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Other intangible assets by major asset class    
Intangible assets subject to amortization, gross carrying amount $ 409  
Intangible assets subject to amortization, accumulated amortization 308 $ 293
Intangible assets subject to amortization, net 101  
Intangible assets not subject to amortization 225  
Total other intangible assets, gross carrying amount 634 629
Total other intangible assets, net 326 336
Before Reclassifications of Held For Sale [Member]    
Other intangible assets by major asset class    
Intangible assets subject to amortization, gross carrying amount   408
Intangible assets subject to amortization, accumulated amortization   297
Intangible assets subject to amortization, net   111
Intangible assets not subject to amortization   226
Held for Sale Reclassification [Member]    
Other intangible assets by major asset class    
Intangible assets subject to amortization, accumulated amortization   (4)
Total other intangible assets, gross carrying amount   (5)
Total other intangible assets, net   (1)
Customer-related [Member]    
Other intangible assets by major asset class    
Intangible assets subject to amortization, gross carrying amount 190  
Intangible assets subject to amortization, accumulated amortization 104  
Intangible assets subject to amortization, net 86  
Customer-related [Member] | Before Reclassifications of Held For Sale [Member]    
Other intangible assets by major asset class    
Intangible assets subject to amortization, gross carrying amount   186
Intangible assets subject to amortization, accumulated amortization   93
Intangible assets subject to amortization, net   93
Contract-based [Member]    
Other intangible assets by major asset class    
Intangible assets subject to amortization, gross carrying amount 201  
Intangible assets subject to amortization, accumulated amortization 196  
Intangible assets subject to amortization, net 5  
Contract-based [Member] | Before Reclassifications of Held For Sale [Member]    
Other intangible assets by major asset class    
Intangible assets subject to amortization, gross carrying amount   204
Intangible assets subject to amortization, accumulated amortization   198
Intangible assets subject to amortization, net   6
Marketing-related [Member]    
Other intangible assets by major asset class    
Intangible assets subject to amortization, gross carrying amount 18  
Intangible assets subject to amortization, accumulated amortization 8  
Intangible assets subject to amortization, net $ 10  
Marketing-related [Member] | Before Reclassifications of Held For Sale [Member]    
Other intangible assets by major asset class    
Intangible assets subject to amortization, gross carrying amount   18
Intangible assets subject to amortization, accumulated amortization   6
Intangible assets subject to amortization, net   $ 12