v3.26.1
Financial Instruments - Carrying Amount and Estimated Fair Values of Financial Instruments (Detail) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Other current liabilities Other current liabilities
Commercial paper $ 50 $ 314
Reported Value Measurement    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 569 590
Credit facilities and bank overdrafts 0 2
Derivative Asset 13 18
Derivative Liability 254 241
Commercial paper 50 314
Reported Value Measurement | 2026 Euro Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 914 940
Reported Value Measurement | 2028 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 399 399
Reported Value Measurement | 2048 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 674 674
Reported Value Measurement | 2047 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 392 392
Reported Value Measurement | 2027 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 803 804
Reported Value Measurement | 2030 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 1,238 1,238
Reported Value Measurement | 2040 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 341 341
Reported Value Measurement | 2050 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 888 888
Estimate of Fair Value Measurement    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 569 590
Credit facilities and bank overdrafts 0 2
Derivative Asset 13 18
Derivative Liability 254 241
Commercial paper 50 314
Estimate of Fair Value Measurement | 2026 Euro Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 912 935
Estimate of Fair Value Measurement | 2028 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 399 403
Estimate of Fair Value Measurement | 2048 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 604 607
Estimate of Fair Value Measurement | 2047 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 324 322
Estimate of Fair Value Measurement | 2027 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 773 768
Estimate of Fair Value Measurement | 2030 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 1,111 1,113
Estimate of Fair Value Measurement | 2040 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent 252 255
Estimate of Fair Value Measurement | 2050 Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Senior notes, noncurrent $ 591 $ 585