Quarterly report [Sections 13 or 15(d)]

GOODWILL AND INTANGIBLE ASSETS - Summary of Intangible Assets (Details)

v3.26.1
GOODWILL AND INTANGIBLE ASSETS - Summary of Intangible Assets (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 9,331 $ 9,202
Accumulated Amortization (5,355) (5,186)
Net Carrying Value 3,976 4,016
Indefinite-lived Intangible Assets (Excluding Goodwill) [Abstract]    
Indefinite-lived intangible assets 5 5
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Gross Carrying Amount 9,336 9,207
Accumulated Amortization (5,355) (5,186)
Intangible Assets, Net 3,981 4,021
Capitalized software    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 6,963 6,810
Accumulated Amortization (4,717) (4,593)
Net Carrying Value 2,246 2,217
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Accumulated Amortization (4,717) (4,593)
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 1,416 1,438
Accumulated Amortization (317) (293)
Net Carrying Value 1,099 1,145
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Accumulated Amortization (317) (293)
Trademarks, patents and other    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 369 368
Accumulated Amortization (165) (154)
Net Carrying Value 204 214
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Accumulated Amortization (165) (154)
Franchise rights    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 377 382
Accumulated Amortization (68) (68)
Net Carrying Value 309 314
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Accumulated Amortization (68) (68)
Trade name    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 116 116
Accumulated Amortization (42) (39)
Net Carrying Value 74 77
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Accumulated Amortization (42) (39)
Licenses    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 90 88
Accumulated Amortization (46) (39)
Net Carrying Value 44 49
Intangible Assets, Net (Excluding Goodwill) [Abstract]    
Accumulated Amortization $ (46) $ (39)