v3.25.2
Additional Financial Information (Cash and Cash Equivalents and Restricted Cash Balances) (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Dec. 31, 2023
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract]        
Cash and cash equivalents $ 10,499 $ 3,298 $ 3,093 $ 6,722
Restricted cash in Prepaid and other current assets 1 1 1 2
Restricted cash in Other Assets 76 107 109 109
Cash and Cash Equivalents and Restricted Cash $ 10,576 $ 3,406 $ 3,203 $ 6,833