v3.24.0.1
Debt - Schedule of Debt (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Debt Instrument [Line Items]    
Debt issuance costs and consent fees $ (263) $ (240)
Total debt 75,018 71,960
Total long-term debt 71,399 66,796
Affiliates    
Debt Instrument [Line Items]    
Total long-term debt 1,496 1,495
Affiliates | Senior Notes    
Debt Instrument [Line Items]    
Less: Current portion of Senior Notes and other debt to third parties 0 0
Nonrelated Party    
Debt Instrument [Line Items]    
Unamortized premium on debt to third parties 1,011 1,335
Unamortized discount (223) (199)
Total long-term debt 69,903 65,301
Nonrelated Party | Senior Notes    
Debt Instrument [Line Items]    
Less: Current portion of Senior Notes and other debt to third parties 3,619 5,164
7.875% Senior Notes due 2023    
Debt Instrument [Line Items]    
Other finance liabilities 0 4,250
7.125% Senior Notes due 2024    
Debt Instrument [Line Items]    
Other finance liabilities $ 2,500 2,500
3.500% Senior Notes due 2025    
Debt Instrument [Line Items]    
Interest rate, stated percentage 3.50%  
Other finance liabilities $ 3,000 3,000
4.738% Series 2018-1 A-1 Notes due 2025    
Debt Instrument [Line Items]    
Other finance liabilities $ 656 1,181
4.738% Series 2018-1 A-1 Notes due 2025 | Senior Notes    
Debt Instrument [Line Items]    
Interest rate, stated percentage 4.738%  
7.625% Senior Notes due 2025    
Debt Instrument [Line Items]    
Other finance liabilities $ 1,500 1,500
1.500% Senior Notes due 2026    
Debt Instrument [Line Items]    
Interest rate, stated percentage 1.50%  
Other finance liabilities $ 1,000 1,000
2.250% Senior Notes due 2026    
Debt Instrument [Line Items]    
Interest rate, stated percentage 2.25%  
Other finance liabilities $ 1,800 1,800
2.625% Senior Notes due 2026    
Debt Instrument [Line Items]    
Interest rate, stated percentage 2.625%  
Other finance liabilities $ 1,200 1,200
7.625% Senior Notes due 2026    
Debt Instrument [Line Items]    
Other finance liabilities $ 1,500 1,500
3.750% Senior Notes due 2027    
Debt Instrument [Line Items]    
Interest rate, stated percentage 3.75%  
Other finance liabilities $ 4,000 4,000
5.375% Senior Notes due 2027    
Debt Instrument [Line Items]    
Interest rate, stated percentage 5.375%  
Other finance liabilities $ 500 500
2.050% Senior Notes due 2028    
Debt Instrument [Line Items]    
Interest rate, stated percentage 2.05%  
Other finance liabilities $ 1,750 1,750
4.750% Senior Notes due 2028    
Debt Instrument [Line Items]    
Interest rate, stated percentage 4.75%  
Other finance liabilities $ 1,500 1,500
4.750% Senior Notes due 2028 | Affiliates    
Debt Instrument [Line Items]    
Interest rate, stated percentage 4.75%  
Other finance liabilities $ 1,500 1,500
4.800% Senior Notes due 2028    
Debt Instrument [Line Items]    
Interest rate, stated percentage 4.80%  
Other finance liabilities $ 900 0
4.910% Class A Senior ABS Notes due 2028    
Debt Instrument [Line Items]    
Interest rate, stated percentage 4.91%  
Other finance liabilities $ 750 750
4.950% Senior Notes due 2028    
Debt Instrument [Line Items]    
Interest rate, stated percentage 4.95%  
Other finance liabilities $ 1,000 0
5.152% Series 2018-1 A-2 Notes due 2028    
Debt Instrument [Line Items]    
Other finance liabilities 1,562 1,838
6.875% Senior Notes due 2028    
Debt Instrument [Line Items]    
Other finance liabilities $ 2,475 2,475
2.400% Senior Notes due 2029    
Debt Instrument [Line Items]    
Interest rate, stated percentage 2.40%  
Other finance liabilities $ 500 500
2.625% Senior Notes due 2029    
Debt Instrument [Line Items]    
Interest rate, stated percentage 2.625%  
Other finance liabilities $ 1,000 1,000
3.375% Senior Notes due 2029    
Debt Instrument [Line Items]    
Interest rate, stated percentage 3.375%  
Other finance liabilities $ 2,350 2,350
3.875% Senior Notes due 2030    
Debt Instrument [Line Items]    
Interest rate, stated percentage 3.875%  
Other finance liabilities $ 7,000 7,000
2.250% Senior Notes due 2031    
Debt Instrument [Line Items]    
Interest rate, stated percentage 2.25%  
Other finance liabilities $ 1,000 1,000
2.550% Senior Notes due 2031    
Debt Instrument [Line Items]    
Interest rate, stated percentage 2.55%  
Other finance liabilities $ 2,500 2,500
2.875% Senior Notes due 2031    
Debt Instrument [Line Items]    
Interest rate, stated percentage 2.875%  
Other finance liabilities $ 1,000 1,000
3.500% Senior Notes due 2031    
Debt Instrument [Line Items]    
Interest rate, stated percentage 3.50%  
Other finance liabilities $ 2,450 2,450
2.700% Senior Notes due 2032    
Debt Instrument [Line Items]    
Interest rate, stated percentage 2.70%  
Other finance liabilities $ 1,000 1,000
8.750% Senior Notes due 2032    
Debt Instrument [Line Items]    
Other finance liabilities $ 2,000 2,000
5.050% Senior Notes due 2033    
Debt Instrument [Line Items]    
Interest rate, stated percentage 5.05%  
Other finance liabilities $ 2,600 0
5.200% Senior Notes due 2033    
Debt Instrument [Line Items]    
Other finance liabilities $ 1,250 1,250
5.200% Senior Notes due 2033 | Senior Notes    
Debt Instrument [Line Items]    
Interest rate, stated percentage 5.20%  
5.750% Senior Notes due 2034    
Debt Instrument [Line Items]    
Interest rate, stated percentage 5.75%  
Other finance liabilities $ 1,000 0
5.750% Senior Notes due 2034 | Senior Notes    
Debt Instrument [Line Items]    
Interest rate, stated percentage 5.75%  
4.375% Senior Notes due 2040    
Debt Instrument [Line Items]    
Interest rate, stated percentage 4.375%  
Other finance liabilities $ 2,000 2,000
3.000% Senior Notes due 2041    
Debt Instrument [Line Items]    
Interest rate, stated percentage 3.00%  
Other finance liabilities $ 2,500 2,500
4.500% Senior Notes due 2050    
Debt Instrument [Line Items]    
Interest rate, stated percentage 4.50%  
Other finance liabilities $ 3,000 3,000
3.300% Senior Notes due 2051    
Debt Instrument [Line Items]    
Interest rate, stated percentage 3.30%  
Other finance liabilities $ 3,000 3,000
3.400% Senior Notes due 2052    
Debt Instrument [Line Items]    
Interest rate, stated percentage 3.40%  
Other finance liabilities $ 2,800 2,800
5.650% Senior Notes due 2053    
Debt Instrument [Line Items]    
Interest rate, stated percentage 5.65%  
Other finance liabilities $ 1,750 1,000
5.650% Senior Notes due 2053 | Senior Notes    
Debt Instrument [Line Items]    
Interest rate, stated percentage 5.65%  
5.750% Senior Notes due 2054    
Debt Instrument [Line Items]    
Interest rate, stated percentage 5.75%  
Other finance liabilities $ 1,250 0
5.750% Senior Notes due 2054 | Senior Notes    
Debt Instrument [Line Items]    
Interest rate, stated percentage 5.75%  
6.000% Senior Notes due 2054    
Debt Instrument [Line Items]    
Interest rate, stated percentage 6.00%  
Other finance liabilities $ 1,000 0
6.000% Senior Notes due 2054 | Senior Notes    
Debt Instrument [Line Items]    
Interest rate, stated percentage 6.00%  
3.600% Senior Notes due 2060    
Debt Instrument [Line Items]    
Interest rate, stated percentage 3.60%  
Other finance liabilities $ 1,700 1,700
5.800% Senior Notes due 2062    
Debt Instrument [Line Items]    
Interest rate, stated percentage 5.80%  
Other finance liabilities $ 750 750
Other debt    
Debt Instrument [Line Items]    
Other finance liabilities $ 0 $ 20
Sprint | 7.875% Senior Notes due 2023    
Debt Instrument [Line Items]    
Interest rate, stated percentage 7.875%  
Sprint | 7.125% Senior Notes due 2024    
Debt Instrument [Line Items]    
Interest rate, stated percentage 7.125%  
Sprint | 4.738% Series 2018-1 A-1 Notes due 2025 | Senior Notes    
Debt Instrument [Line Items]    
Interest rate, stated percentage 4.738%  
Sprint | 7.625% Senior Notes due 2025    
Debt Instrument [Line Items]    
Interest rate, stated percentage 7.625%  
Sprint | 7.625% Senior Notes due 2026    
Debt Instrument [Line Items]    
Interest rate, stated percentage 7.625%  
Sprint | 5.152% Series 2018-1 A-2 Notes due 2028 | Senior Notes    
Debt Instrument [Line Items]    
Interest rate, stated percentage 5.152%  
Sprint | 6.875% Senior Notes due 2028    
Debt Instrument [Line Items]    
Interest rate, stated percentage 6.875%  
Sprint | 8.750% Senior Notes due 2032    
Debt Instrument [Line Items]    
Interest rate, stated percentage 8.75%