| | in millions, except share and per share amounts) | | | December 31,
2020 | | December 31,
2019 |
| | Assets |
| | Current assets |
| | Cash and cash equivalents | | | $ | 10,385 | $ | 1,528 |
| | Accounts receivable, net of allowance for credit losses of $194 and $61 | | | 4,254 | | 1,888 |
| | Equipment installment plan receivables, net of allowance for credit losses and imputed discount of $478 and $333 | | | 3,577 | | 2,600 |
| | Accounts receivable from affiliates | | | 22 | | 20 |
| | Inventory | | | 2,527 | | 964 |
| | Prepaid expenses | | | 624 | | 333 |
| | Other current assets | | | 2,496 | | 1,972 |
| | Total current assets | | | 23,885 | | 9,305 |
| | Property and equipment, net | | | 41,175 | | 21,984 |
| | Operating lease right-of-use assets | | | 28,021 | | 10,933 |
| | Financing lease right-of-use assets | | | 3,028 | | 2,715 |
| | Goodwill | | | 11,117 | | 1,930 |
| | Spectrum licenses | | | 82,828 | | 36,465 |
| | Other intangible assets, net | | | 5,298 | | 115 |
| | Equipment installment plan receivables due after one year, net of allowance for credit losses and imputed discount of $127 and $66 | | | 2,031 | | 1,583 |
| | Other assets | | | 2,779 | | 1,891 |
| | Total assets | | | $ | 200,162 | $ | 86,921 |
| | Liabilities and Stockholders' Equity |
| | Current liabilities |
| | Accounts payable and accrued liabilities | | | $ | 10,196 | $ | 6,746 |
| | Payables to affiliates | | | 157 | | 187 |
| | Short-term debt | | | 4,579 | | 25 |
| | Deferred revenue | | | 1,030 | | 631 |
| | Short-term operating lease liabilities | | | 3,868 | | 2,287 |
| | Short-term financing lease liabilities | | | 1,063 | | 957 |
| | Other current liabilities | | | 810 | | 1,673 |
| | Total current liabilities | | | 21,703 | | 12,506 |
| | Long-term debt | | | 61,830 | | 10,958 |
| | Long-term debt to affiliates | | | 4,716 | | 13,986 |
| | Tower obligations | | | 3,028 | | 2,236 |
| | Deferred tax liabilities | | | 9,966 | | 5,607 |
| | Operating lease liabilities | | | 26,719 | | 10,539 |
| | Financing lease liabilities | | | 1,444 | | 1,346 |
| | Other long-term liabilities | | | 5,412 | | 954 |
| | Total long-term liabilities | | | 113,115 | | 45,626 |
| | Commitments and contingencies (Note 18) |
| | Stockholders' equity |
| | Common Stock, par value $0.00001 per share, 2,000,000,000 shares authorized; 1,243,345,584 and 858,418,615 shares issued, 1,241,805,706 and 856,905,400 shares outstanding | | | — | | — |
| | Additional paid-in capital | | | 72,772 | | 38,498 |
| | Treasury stock, at cost, 1,539,878 and 1,513,215 shares issued | | | -11 | | -8 |
| | Accumulated other comprehensive loss | | | -1,581 | | -868 |
| | Accumulated deficit | | | -5,836 | | -8,833 |
| | Total stockholders' equity | | | 65,344 | | 28,789 |
| | Total liabilities and stockholders' equity | | | $ | 200,162 | $ | 86,921 |