Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 5,409	$ 5,135
Accounts receivable, net of allowance for credit losses of $176 and $161	4,276	4,692
Equipment installment plan receivables, net of allowance for credit losses and imputed discount of $656 and $623	4,379	4,456
Inventory	1,607	1,678
Prepaid expenses	880	702
Other current assets	1,853	2,352
Total current assets	18,404	19,015
Property and equipment, net	38,533	40,432
Operating lease right-of-use assets	25,398	27,135
Financing lease right-of-use assets	3,091	3,270
Goodwill	13,005	12,234
Spectrum licenses	100,558	96,707
Other intangible assets, net	2,512	2,618
Equipment installment plan receivables due after one year, net of allowance for credit losses and imputed discount of $158 and $150	2,209	2,042
Other assets	4,325	4,229
Total assets	208,035	207,682
Current liabilities
Accounts payable and accrued liabilities	8,463	10,373
Short-term debt	4,068	3,619
Deferred revenue	1,222	825
Short-term operating lease liabilities	3,281	3,555
Short-term financing lease liabilities	1,175	1,260
Other current liabilities	1,965	1,296
Total current liabilities	20,174	20,928
Long-term debt	74,197	71,399
Tower obligations	3,664	3,777
Deferred tax liabilities	16,700	13,458
Operating lease liabilities	26,408	28,240
Financing lease liabilities	1,151	1,236
Other long-term liabilities	4,000	3,929
Total long-term liabilities	126,120	122,039
Commitments and contingencies (Note 18)
Stockholders' equity
Common stock, par value $0.00001 per share, 2,000,000,000 shares authorized; 1,271,074,364 and 1,262,904,154 shares issued, 1,144,579,681 and 1,195,807,331 shares outstanding	0	0
Additional paid-in capital	68,798	67,705
Treasury stock, at cost, 126,494,683 and 67,096,823 shares	(20,584)	(9,373)
Accumulated other comprehensive loss	(857)	(964)
Retained earnings	14,384	7,347
Total stockholders' equity	61,741	64,715
Total liabilities and stockholders' equity	208,035	207,682
Nonrelated Party
Current liabilities
Long-term debt	72,700	69,903
Related Party
Current liabilities
Long-term debt	$ 1,497	$ 1,496

Sale Leaseback Transaction, Tower Obligation

No definition available.

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Namespace Prefix:	tmus_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.