XML 146 R78.htm IDEA: XBRL DOCUMENT v3.25.0.1
Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 31, 2022
Jun. 30, 2022
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]          
Goodwill, impairment loss $ 22        
Intangible assets, net     $ 2,298 $ 2,081  
Accumulated amortization     (2,494) (2,179)  
Amortization expense     363 322 $ 348
Estimated annual amortization expense, year one     339    
Estimated annual amortization expense, year two     281    
Estimated annual amortization expense, year three     243    
Estimated annual amortization expense, year four     191    
Estimated annual amortization expense, year five     165    
Estimated annual amortization expense, thereafter     529    
Customer relationships          
Finite-Lived Intangible Assets [Line Items]          
Accumulated amortization     (1,031) (893)  
Mortgage servicing rights          
Finite-Lived Intangible Assets [Line Items]          
Accumulated amortization     $ (648) (556)  
Intangible assets, estimated useful life     10 years    
Management contracts          
Finite-Lived Intangible Assets [Line Items]          
Accumulated amortization     $ (133) $ (121)  
Intangible assets, estimated useful life     13 years    
Turner & Townsend | Customer relationships          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, estimated useful life     20 years    
Global Workplace Solutions | Trademark          
Finite-Lived Intangible Assets [Line Items]          
Intangible assets, estimated useful life     20 years    
Real Estate Investments          
Finite-Lived Intangible Assets [Line Items]          
Goodwill, impairment loss $ 22 $ 26