Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash Flows from Operating Activities
Net Income	$ 13,630	$ 14,571
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization expense	12,523	12,577
Employee retirement benefits	867	(105)
Deferred income taxes	530	1,070
Provision for expected credit losses	1,100	1,131
Equity in losses of unconsolidated businesses, net of dividends received	67	64
Net loss on sale of divested businesses	0	94
Changes in current assets and liabilities, net of effects from acquisition/disposition of businesses	1,345	(3,902)
Discretionary employee benefits contributions	0	(300)
Other, net	2,410	1,548
Net cash provided by operating activities	32,472	26,748
Cash Flows from Investing Activities
Capital expenditures (including capitalized software)	(14,168)	(12,332)
Acquisitions of businesses, net of cash acquired	(507)	(29)
Acquisitions of wireless licenses	(1,987)	(299)
Proceeds from dispositions of businesses	0	27
Other, net	(1,807)	476
Net cash used in investing activities	(18,469)	(12,157)
Cash Flows from Financing Activities
Proceeds from long-term borrowings	12,387	8,360
Proceeds from asset-backed long-term borrowings	4,439	3,982
Repayments of long-term borrowings and finance lease obligations	(8,853)	(12,486)
Repayments of asset-backed long-term borrowings	(6,726)	(5,273)
Dividends paid	(7,636)	(7,474)
Other, net	(1,348)	(1,410)
Net cash used in financing activities	(7,737)	(14,301)
Increase in cash, cash equivalents and restricted cash	6,266	290
Cash, cash equivalents and restricted cash, beginning of period	3,917	3,916
Cash, Cash equivalents and restricted cash, end of period (Note 1)	$ 10,183	$ 4,206