XML 56 R35.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Revenues and Contract Costs - Schedule of Receivables from Contracts with Customers (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Revenue from Contract with Customer [Abstract]    
Accounts Receivable $ 9,401 $ 9,760
Device payment plan agreement receivables $ 18,521 $ 18,528