Consolidated Statements Of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating Activities
Net income	$ 3,751	$ 4,453
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	5,047	4,631
Provision for uncollectible accounts	472	477
Deferred income tax expense	479	529
Net (gain) loss on investments, net of impairments	201	(93)
Pension and postretirement benefit expense (credit)	(471)	(670)
Asset impairments and abandonments and restructuring	159	0
Changes in operating assets and liabilities:
Receivables	512	620
Other current assets	629	364
Accounts payable and other accrued liabilities	(3,497)	(3,409)
Equipment installment receivables and related sales	24	(243)
Deferred customer contract acquisition and fulfillment costs	103	(22)
Postretirement claims and contributions	(54)	(89)
Other - net	192	130
Total adjustments	3,796	2,225
Net Cash Provided by Operating Activities	7,547	6,678
Investing Activities
Capital expenditures	(3,758)	(4,335)
Acquisitions, net of cash acquired	(211)	(291)
Dispositions	8	15
Distributions from DIRECTV in excess of cumulative equity in earnings	194	774
(Purchases), sales and settlements of securities and investments, net	1,079	19
Other - net	(273)	0
Net Cash Used in Investing Activities	(2,961)	(3,818)
Financing Activities
Net change in short-term borrowings with original maturities of three months or less	1,933	(536)
Issuance of other short-term borrowings	491	3,627
Repayment of other short-term borrowings	(1,996)	0
Issuance of long-term debt	0	3,366
Repayment of long-term debt	(4,685)	(5,945)
Repayment of note payable to DIRECTV	0	(130)
Payment of vendor financing	(841)	(2,113)
Purchase of treasury stock	(157)	(188)
Issuance of treasury stock	0	3
Dividends paid	(2,034)	(2,014)
Other - net	(526)	219
Net Cash Used in Financing Activities	(7,815)	(3,711)
Net increase (decrease) in cash and cash equivalents and restricted cash	(3,229)	(851)
Cash and cash equivalents and restricted cash beginning of year	6,833	3,793
Cash and Cash Equivalents and Restricted Cash End of Period	$ 3,604	$ 2,942