v3.25.4
Tax Matters - Reconciliation of Gross Unrecognized Tax Benefits - Footnotes (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
 [1]
Dec. 31, 2022
Income Tax Contingency [Line Items]        
Unrecognized tax benefits $ 4,746.0 [1] $ 4,530.0 [1] $ 4,802.0 $ 4,494.0
Income Taxes Payable [Member]        
Income Tax Contingency [Line Items]        
Unrecognized tax benefits 5.0 103.0    
Other Current Tax Assets [Member]        
Income Tax Contingency [Line Items]        
Unrecognized tax benefits 5.0 0.4    
Noncurrent Deferred Tax Assets and Other Noncurrent Tax Assets [Member]        
Income Tax Contingency [Line Items]        
Unrecognized tax benefits 1,600.0 1,500.0    
Noncurrent Deferred Tax Liabilities [Member]        
Income Tax Contingency [Line Items]        
Unrecognized tax benefits 58.0 3.0    
Other Taxes Payable [Member]        
Income Tax Contingency [Line Items]        
Unrecognized tax benefits $ 3,000.0 $ 2,900.0    
[1] In 2025, included in Income taxes payable ($5 million), Other current assets ($5 million), Noncurrent deferred tax assets and other noncurrent tax assets ($1.6 billion), Noncurrent deferred tax liabilities ($58 million) and Other taxes payable ($3.0 billion). In 2024, included in Income taxes payable ($103 million), Other current assets ($0.4 million), Noncurrent deferred tax assets and other noncurrent tax assets ($1.5 billion), Noncurrent deferred tax liabilities ($3 million) and Other taxes payable ($2.9 billion).