v3.26.1
Fair Value Measurements - Distribution of Financial Instruments, Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities 1 $ 318 $ 319
Fair Value, Inputs, Level 1    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities 1 21 20
Fair Value, Inputs, Level 2    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities 1 297 299
Fair Value, Inputs, Level 3    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities 1 0 0
Equity securities    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Equity securities 143 203
Equity securities | Fair Value, Inputs, Level 1    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Equity securities 143 203
Equity securities | Fair Value, Inputs, Level 2    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Equity securities 0 0
Equity securities | Fair Value, Inputs, Level 3    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Equity securities 0 0
Foreign exchange contracts    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Foreign exchange contracts 43 35
Foreign exchange derivative liabilities 74 160
Foreign exchange contracts | Fair Value, Inputs, Level 1    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Foreign exchange contracts 0 0
Foreign exchange derivative liabilities 0 0
Foreign exchange contracts | Fair Value, Inputs, Level 2    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Foreign exchange contracts 43 35
Foreign exchange derivative liabilities 74 160
Foreign exchange contracts | Fair Value, Inputs, Level 3    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Foreign exchange contracts 0 0
Foreign exchange derivative liabilities 0 0
Interest rate contracts    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Foreign exchange derivative liabilities 21 27
Interest rate contracts | Fair Value, Inputs, Level 1    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Foreign exchange derivative liabilities 0 0
Interest rate contracts | Fair Value, Inputs, Level 2    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Foreign exchange derivative liabilities 21 27
Interest rate contracts | Fair Value, Inputs, Level 3    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Foreign exchange derivative liabilities $ 0 $ 0