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v3.25.0.1

Debt - Long-Term Debt (Details) $ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2024 USD ($) | Apr. 01, 2025 | Apr. 01, 2024 | Mar. 31, 2024 | Dec. 31, 2023 USD ($)
Long-term debt |  |  |  |  |
Principal amount | $ 4,164 |  |  |  | $ 4,179
Unamortized discount and debt issuance costs | 82 |  |  |  | 73
Total long term debt | 4,082 |  |  |  | 4,106
Current portion of long-term debt | 31 |  |  |  | 26
Long-term debt, net | 4,051 |  |  |  | 4,080
Long-term debt maturities |  |  |  |  |
Scheduled principal payments 2025 | 31 |  |  |  |
Scheduled principal payments 2026 | 539 |  |  |  |
Scheduled principal payments 2027 | 322 |  |  |  |
Scheduled principal payments 2028 | 485 |  |  |  |
Scheduled principal payments 2029 | $ 299 |  |  |  |
Consolidated leverage ratio |  |  | 4.00 | 4.25 |
Consolidated interest coverage ratio | 3.00 |  |  |  |
TDS Term Loan 3 |  |  |  |  |
Long-term debt maturities |  |  |  |  |
Consolidated leverage ratio |  |  | 4.50 |  |
Subsequent Event |  |  |  |  |
Long-term debt maturities |  |  |  |  |
Consolidated leverage ratio |  | 3.75 |  |  |
Subsequent Event | TDS Term Loan 3 |  |  |  |  |
Long-term debt maturities |  |  |  |  |
Consolidated leverage ratio |  | 4.25 |  |  |
6.7% Senior Notes | UScellular |  |  |  |  |
Long-term debt |  |  |  |  |
Interest rate on debt | 6.70% |  |  |  |
Principal amount | $ 544 |  |  |  | 544
Long-term debt | 534 |  |  |  | 533
Unamortized discount and debt issuance costs | $ 10 |  |  |  | 11
Redemption price, percentage | 100.00% |  |  |  |
6.7% Senior Notes | Treasury Rate | UScellular |  |  |  |  |
Long-term debt |  |  |  |  |
Interest rate on debt | 0.30% |  |  |  |
6.25% Senior Notes | UScellular |  |  |  |  |
Long-term debt |  |  |  |  |
Interest rate on debt | 6.25% |  |  |  |
Principal amount | $ 500 |  |  |  | 500
Long-term debt | 483 |  |  |  | 483
Unamortized discount and debt issuance costs | $ 17 |  |  |  | 17
5.5% Senior Notes | UScellular |  |  |  |  |
Long-term debt |  |  |  |  |
Interest rate on debt | 5.50% |  |  |  |
Principal amount | $ 500 |  |  |  | 500
Long-term debt | 483 |  |  |  | 483
Unamortized discount and debt issuance costs | $ 17 |  |  |  | 17
5.5% Senior Notes | UScellular |  |  |  |  |
Long-term debt |  |  |  |  |
Interest rate on debt | 5.50% |  |  |  |
Principal amount | $ 500 |  |  |  | 500
Long-term debt | 484 |  |  |  | 484
Unamortized discount and debt issuance costs | $ 16 |  |  |  | 16
Callable Notes |  |  |  |  |
Long-term debt |  |  |  |  |
Redemption price, percentage | 100.00% |  |  |  |
UScellular Unsecured Term Loan Agreements | UScellular |  |  |  |  |
Long-term debt |  |  |  |  |
Principal amount | $ 723 |  |  |  | 783
Long-term debt | 719 |  |  |  | 779
Unamortized discount and debt issuance costs | 4 |  |  |  | 4
TDS Unsecured Term Loan Agreements |  |  |  |  |
Long-term debt |  |  |  |  |
Principal amount | 785 |  |  |  | 492
Long-term debt | 769 |  |  |  | 488
Unamortized discount and debt issuance costs | 16 |  |  |  | 4
TDS Secured Term Loan |  |  |  |  |
Long-term debt |  |  |  |  |
Principal amount | 300 |  |  |  | 300
Long-term debt | 298 |  |  |  | 297
Unamortized discount and debt issuance costs | 2 |  |  |  | 3
Receivables securitization agreement | UScellular |  |  |  |  |
Long-term debt |  |  |  |  |
Principal amount | 2 |  |  |  | 150
Long-term debt | 2 |  |  |  | 150
Unamortized discount and debt issuance costs | 0 |  |  |  | 0
TDS export credit financing agreement |  |  |  |  |
Long-term debt |  |  |  |  |
Principal amount | 150 |  |  |  | 150
Long-term debt | 150 |  |  |  | 150
Unamortized discount and debt issuance costs | 0 |  |  |  | 0
UScellular export credit financing agreement | UScellular |  |  |  |  |
Long-term debt |  |  |  |  |
Principal amount | 150 |  |  |  | 150
Long-term debt | 150 |  |  |  | 149
Unamortized discount and debt issuance costs | 0 |  |  |  | 1
TDS Revolving Credit Agreement |  |  |  |  |
Long-term debt |  |  |  |  |
Principal amount | 0 |  |  |  | 100
Long-term debt | 0 |  |  |  | 100
Unamortized discount and debt issuance costs | 0 |  |  |  | 0
Finance lease obligations |  |  |  |  |
Long-term debt |  |  |  |  |
Principal amount | 7 |  |  |  | 6
Long-term debt | 7 |  |  |  | 6
Unamortized discount and debt issuance costs | 0 |  |  |  | 0
Other long-term notes |  |  |  |  |
Long-term debt |  |  |  |  |
Principal amount | 3 |  |  |  | 4
Long-term debt | 3 |  |  |  | 4
Unamortized discount and debt issuance costs | 0 |  |  |  | $ 0
Subordination Agreement | UScellular |  |  |  |  |
Long-term debt maturities |  |  |  |  |
Consolidated funded indebtedness | 0 |  |  |  |
Refinancing indebtedness | 0 |  |  |  |
Subordination Agreement | UScellular | Maximum |  |  |  |  |
Long-term debt maturities |  |  |  |  |
Consolidated funded indebtedness | 105 |  |  |  |
Refinancing indebtedness | $ 250 |  |  |  |

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