v3.26.1
Equity Method Investments - Summary Financial Information (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Statement [Line Items]        
Net loss $ 448 $ 313 $ 907 $ 747
Total comprehensive loss $ 501 $ 537 $ 926 $ 1,073