XML 78 R66.htm IDEA: XBRL DOCUMENT v3.25.3
Revenue and Credit Losses - Allowance for Doubtful Accounts (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Accounts Receivable, Allowance for Credit Loss [Roll Forward]    
Balance at beginning of year $ 74 $ 83
Additions charged to expense 27 20
Accounts written-off (31) (28)
Balance at end of period $ 70 $ 75