v3.25.4
Deferred Tax - Reconciliation of Movements of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Deferred Tax Assets and Liabilities [Line Items]    
Beginning Balance $ 697  
Ending balance 827 $ 697
Beginning balance 1,832  
Ending Balance 1,806 1,832
Net deferred tax assets 979 1,135
Deferred Tax Liabilities [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Beginning Balance 697 960
Acquisitions 78 69
Ending balance 827 697
 Expense to other comprehensive income 5 2
Translation and other, net 3 (17)
Deferred Tax Assets [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Acquisitions 15 19
Expense to equity (11) (4)
Beginning balance 1,832 1,511
 Expense to other comprehensive income (19) (6)
Translation and other, net 5 (11)
Ending Balance 1,806 1,832
Continuing Operations [member] | Deferred Tax Liabilities [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Expense (benefit) to income statement - continuing operations 44 (317)
Continuing Operations [member] | Deferred Tax Assets [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Expense (benefit) to income statement - continuing operations (16) 323
Goodwill and Other Identifiable Intangible Assets [Member] | Deferred Tax Liabilities [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Beginning Balance 516 507
Acquisitions 5 10
Ending balance 509 516
 Expense to other comprehensive income 0 0
Translation and other, net (13) 0
Goodwill and Other Identifiable Intangible Assets [Member] | Continuing Operations [member] | Deferred Tax Liabilities [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Expense (benefit) to income statement - continuing operations 1 (1)
Equity Method Investments [member] | Deferred Tax Liabilities [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Beginning Balance 44 302
Acquisitions 4 0
Ending balance 42 44
 Expense to other comprehensive income 0 0
Translation and other, net (1) 0
Equity Method Investments [member] | Continuing Operations [member] | Deferred Tax Liabilities [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Expense (benefit) to income statement - continuing operations (5) (258)
Other [Member] | Deferred Tax Liabilities [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Beginning Balance 137 151
Acquisitions 69 59
Ending balance 276 137
 Expense to other comprehensive income 5 2
Translation and other, net 17 (17)
Other [Member] | Continuing Operations [member] | Deferred Tax Liabilities [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Expense (benefit) to income statement - continuing operations 48 (58)
Tax Losses and Other Attributes [Member] | Deferred Tax Assets [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Acquisitions 12 18
Expense to equity 0 0
Beginning balance 523 190
 Expense to other comprehensive income 0 0
Translation and other, net 9 (8)
Ending Balance 626 523
Tax Losses and Other Attributes [Member] | Continuing Operations [member] | Deferred Tax Assets [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Expense (benefit) to income statement - continuing operations 82 323
Goodwill and Other Identifiable Intangible Assets [member] | Deferred Tax Assets [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Acquisitions (1) 0
Expense to equity 0 0
Beginning balance 865 980
 Expense to other comprehensive income 0 0
Translation and other, net 2 (2)
Ending Balance 832 865
Goodwill and Other Identifiable Intangible Assets [member] | Continuing Operations [member] | Deferred Tax Assets [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Expense (benefit) to income statement - continuing operations (34) (113)
Employee Benefits and Compensation [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Expense to equity 11 4
Employee Benefits and Compensation [member] | Deferred Tax Assets [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Acquisitions 0 0
Expense to equity (11) (4)
Beginning balance 173 177
 Expense to other comprehensive income (20) (5)
Translation and other, net 3 0
Ending Balance 152 173
Employee Benefits and Compensation [member] | Continuing Operations [member] | Deferred Tax Assets [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Expense (benefit) to income statement - continuing operations 7 5
Other [member] | Deferred Tax Assets [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Acquisitions 4 1
Expense to equity 0 0
Beginning balance 271 164
 Expense to other comprehensive income 1 (1)
Translation and other, net (9) (1)
Ending Balance 196 271
Other [member] | Continuing Operations [member] | Deferred Tax Assets [member]    
Deferred Tax Assets and Liabilities [Line Items]    
Expense (benefit) to income statement - continuing operations $ (71) $ 108