Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net income	$ 1,940	$ 713
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	3,203	3,585
Stock-based compensation expense	177	141
Deferred income tax expense	611	185
Bad debt expense	222	210
Losses from sales of receivables	38	46
Gain on remeasurement of disposal group held for sale	(13)	0
Changes in operating assets and liabilities
Accounts receivable	(1,268)	(984)
Equipment installment plan receivables	152	(535)
Inventory	129	(93)
Operating lease right-of-use assets	1,008	1,469
Other current and long-term assets	(142)	(4)
Accounts payable and accrued liabilities	(882)	(59)
Short- and long-term operating lease liabilities	(1,009)	(771)
Other current and long-term liabilities	(183)	(163)
Other, net	68	105
Net cash provided by operating activities	4,051	3,845
Investing activities
Purchases of property and equipment, including capitalized interest of $(14) and $(15)	(3,001)	(3,381)
Purchases of spectrum licenses and other intangible assets, including deposits	(73)	(2,843)
Proceeds from sales of tower sites	6	0
Proceeds related to beneficial interests in securitization transactions	1,345	1,185
Acquisition of companies, net of cash and restricted cash acquired	0	(52)
Other, net	(5)	(1)
Net cash used in investing activities	(1,728)	(5,092)
Financing activities
Proceeds from issuance of long-term debt	3,013	0
Repayments of financing lease obligations	(306)	(302)
Repayments of long-term debt	(131)	(1,632)
Repurchases of common stock	(4,619)	0
Tax withholdings on share-based awards	(187)	(172)
Other, net	(43)	(30)
Net cash used in financing activities	(2,273)	(2,136)
Change in cash and cash equivalents, including restricted cash and cash held for sale	50	(3,383)
Cash and cash equivalents, including restricted cash and cash held for sale
Beginning of period	4,674	6,703
End of period	$ 4,724	$ 3,320