v3.26.1
Cash and Cash Equivalents and Restricted Cash and Cash Equivalents - PAC (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Condensed Cash Flow Statements, Captions [Line Items]        
Cash and cash equivalents $ 4,203 $ 1,695    
Restricted cash and cash equivalents included in other current assets 149 168    
Restricted cash included in other assets 17 15    
Total cash and cash equivalents and restricted cash and cash equivalents 4,369 1,878 $ 2,963 $ 1,586
PAC        
Condensed Cash Flow Statements, Captions [Line Items]        
Cash and cash equivalents 2,169 73    
Restricted cash and cash equivalents included in other current assets 18 19    
Restricted cash included in other assets 3 3    
Total cash and cash equivalents and restricted cash and cash equivalents $ 2,190 $ 95 $ 464 $ 61