v3.26.1
Fair Value Measurements and Financial Instruments - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Assets:    
Marketable equity securities $ 516 $ 453
Total 1,918 2,259
Liabilities:    
Total 6,679 6,255
Fixed income securities    
Assets:    
Debt securities, available-for-sale, current 35 40
Debt securities, available-for-sale, noncurrent 345 344
Cross currency swaps    
Assets:    
Derivative asset, current 12 4
Derivative asset, noncurrent 1,010 1,417
Liabilities:    
Derivative liability, current 264 222
Derivative liability, noncurrent 1,362 951
Foreign exchange forwards    
Assets:    
Derivative asset, current   1
Liabilities:    
Derivative liability, current 4 1
Interest rate swaps    
Liabilities:    
Derivative liability, current 2,150 1,910
Derivative liability, noncurrent 2,899 3,171
Level 1    
Assets:    
Marketable equity securities 516 453
Total 516 453
Liabilities:    
Total 0 0
Level 1 | Fixed income securities    
Assets:    
Debt securities, available-for-sale, current 0 0
Debt securities, available-for-sale, noncurrent 0 0
Level 1 | Cross currency swaps    
Assets:    
Derivative asset, current 0 0
Derivative asset, noncurrent 0 0
Liabilities:    
Derivative liability, current 0 0
Derivative liability, noncurrent 0 0
Level 1 | Foreign exchange forwards    
Assets:    
Derivative asset, current   0
Liabilities:    
Derivative liability, current 0 0
Level 1 | Interest rate swaps    
Liabilities:    
Derivative liability, current 0 0
Derivative liability, noncurrent 0 0
Level 2    
Assets:    
Marketable equity securities 0 0
Total 1,402 1,806
Liabilities:    
Total 6,679 6,255
Level 2 | Fixed income securities    
Assets:    
Debt securities, available-for-sale, current 35 40
Debt securities, available-for-sale, noncurrent 345 344
Level 2 | Cross currency swaps    
Assets:    
Derivative asset, current 12 4
Derivative asset, noncurrent 1,010 1,417
Liabilities:    
Derivative liability, current 264 222
Derivative liability, noncurrent 1,362 951
Level 2 | Foreign exchange forwards    
Assets:    
Derivative asset, current   1
Liabilities:    
Derivative liability, current 4 1
Level 2 | Interest rate swaps    
Liabilities:    
Derivative liability, current 2,150 1,910
Derivative liability, noncurrent 2,899 3,171
Level 3    
Assets:    
Marketable equity securities 0 0
Total 0 0
Liabilities:    
Total 0 0
Level 3 | Fixed income securities    
Assets:    
Debt securities, available-for-sale, current 0 0
Debt securities, available-for-sale, noncurrent 0 0
Level 3 | Cross currency swaps    
Assets:    
Derivative asset, current 0 0
Derivative asset, noncurrent 0 0
Liabilities:    
Derivative liability, current 0 0
Derivative liability, noncurrent 0 0
Level 3 | Foreign exchange forwards    
Assets:    
Derivative asset, current   0
Liabilities:    
Derivative liability, current 0 0
Level 3 | Interest rate swaps    
Liabilities:    
Derivative liability, current 0 0
Derivative liability, noncurrent $ 0 $ 0