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Stock-Based Compensation - TDS, Overview (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Stock based compensation |  |  |
Stock-based compensation expense | $ 71 | $ 41 | $ 42
Income tax benefit | (18) | (10) | (11)
Total stock-based compensation expense, net of income taxes | 53 | 31 | 31
Unrecognized compensation cost for all stock-based compensation awards | $ 64 |  |
Weighted average period for recognition of unrecognized compensation cost for all stock-based compensation awards | 1 year 8 months 12 days |  |
Tax benefit from exercise of stock options and other awards | $ 18 |  |
Selling, general and administrative expense |  |  |
Stock based compensation |  |  |
Stock-based compensation expense | 63 | 36 | 36
Cost of services expense |  |  |
Stock based compensation |  |  |
Stock-based compensation expense | 8 | 5 | 6
Long-Term Incentive Plans | Stock Options |  |  |
Stock based compensation |  |  |
Stock-based compensation expense | 0 | 0 | 1
Long-Term Incentive Plans | Restricted Stock Units |  |  |
Stock based compensation |  |  |
Stock-based compensation expense | 41 | 32 | 28
Long-Term Incentive Plans | Performance Share Units |  |  |
Stock based compensation |  |  |
Stock-based compensation expense | 28 | 7 | 11
Non-Employee Directors' Plan |  |  |
Stock based compensation |  |  |
Stock-based compensation expense | $ 2 | $ 2 | $ 2
Non-Employee Directors' Plan | TDS | Common Shares |  |  |
Stock based compensation |  |  |
Shares reserved | 451,000 |  |
Shares issued | 49,000 | 81,000 | 51,000
TDS Long-Term Incentive Plans | TDS | Common Shares |  |  |
Stock based compensation |  |  |
Shares reserved | 24,798,000 |  |
Dividend Reinvestment Plan | TDS | Series A Common Shares |  |  |
Stock based compensation |  |  |
Shares reserved | 561,000 |  |
Purchase price, percent | 95.00% |  |
Dividend Reinvestment Plan | TDS | Common Shares |  |  |
Stock based compensation |  |  |
Shares reserved | 2,075,000 |  |
Purchase price, percent | 95.00% |  |

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