v3.25.4
Other Identifiable Intangible Assets - Summary of Other Identifiable Intangible Assets (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year $ 3,134  
Balance at end of year 3,102 $ 3,134
Gross Carrying Amount [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year 5,957 5,942
Acquisitions 57 63
Disposals of businesses (5) (1)
Translation and other, net 54 (47)
Balance at end of year 6,063 5,957
Accumulated Depreciation [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year (2,823) (2,777)
Amortization (98) (91)
Disposals of businesses 5 1
Translation and other, net (45) 44
Balance at end of year (2,961) (2,823)
Trade names indefinite useful life [member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year 2,646  
Balance at end of year 2,646 2,646
Trade names indefinite useful life [member] | Gross Carrying Amount [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year 2,646 2,646
Acquisitions 0 0
Disposals of businesses 0 0
Translation and other, net 0 0
Balance at end of year 2,646 2,646
Trade names indefinite useful life [member] | Accumulated Depreciation [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year 0 0
Amortization 0 0
Disposals of businesses 0 0
Translation and other, net   0
Balance at end of year 0 0
Finite useful life trade names finite useful life [member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year 35  
Balance at end of year 36 35
Finite useful life trade names finite useful life [member] | Gross Carrying Amount [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year 156 134
Acquisitions 13 27
Disposals of businesses 0 0
Translation and other, net 1 (5)
Balance at end of year 170 156
Finite useful life trade names finite useful life [member] | Accumulated Depreciation [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year (121) (115)
Amortization (13) (10)
Disposals of businesses 0 0
Translation and other, net 0 4
Balance at end of year (134) (121)
Customer Relationships [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year 408  
Balance at end of year 383 408
Customer Relationships [Member] | Gross Carrying Amount [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year 1,793 1,782
Acquisitions 34 36
Disposals of businesses (5) 0
Translation and other, net 35 (25)
Balance at end of year 1,857 1,793
Customer Relationships [Member] | Accumulated Depreciation [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year (1,385) (1,341)
Amortization (67) (67)
Disposals of businesses 5 0
Translation and other, net (27) 23
Balance at end of year (1,474) (1,385)
Databases and Content [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year 25  
Balance at end of year 14 25
Databases and Content [Member] | Gross Carrying Amount [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year 630 633
Acquisitions 6 0
Disposals of businesses 0 (1)
Translation and other, net 3 (2)
Balance at end of year 639 630
Databases and Content [Member] | Accumulated Depreciation [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year (605) (594)
Amortization (17) (14)
Disposals of businesses 0 1
Translation and other, net (3) 2
Balance at end of year (625) (605)
Other [member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year 20  
Balance at end of year 23 20
Other [member] | Gross Carrying Amount [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year 732 747
Acquisitions 4 0
Disposals of businesses 0 0
Translation and other, net 15 (15)
Balance at end of year 751 732
Other [member] | Accumulated Depreciation [Member]    
Disclosure of detailed information about intangible assets [line items]    
Balance at beginning of year (712) (727)
Amortization (1) 0
Disposals of businesses 0 0
Translation and other, net (15) 15
Balance at end of year $ (728) $ (712)