v3.4.0.3
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Cash Flows from Operating Activities    
Net Income $ 4,430 $ 4,338
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization expense 4,017 3,989
Employee retirement benefits 356 284
Deferred income taxes 167 823
Provision for uncollectible accounts 353 383
Equity in losses of unconsolidated businesses, net of dividends received 29 44
Changes in current assets and liabilities, net of effects from acquisition/disposition of businesses (1,162) (888)
Other, net (771) 1,196
Net cash provided by operating activities 7,419 10,169
Cash Flows from Investing Activities    
Capital expenditures (including capitalized software) (3,387) (3,665)
Acquisitions of investments and businesses, net of cash acquired (161) (2)
Acquisitions of wireless licenses (131) (9,555)
Other, net 243 46
Net cash used in investing activities (3,436) (13,176)
Cash Flows from Financing Activities    
Proceeds from long-term borrowings   6,497
Repayments of long-term borrowings and capital lease obligations (376) (5,576)
Increase (decrease) in short-term obligations, excluding current maturities (40) 482
Dividends paid (2,302) (2,153)
Proceeds from sale of common stock 3  
Purchase of common stock for treasury   (5,000)
Other, net 108 2,545
Net cash used in financing activities (2,607) (3,205)
Increase (decrease) in cash and cash equivalents 1,376 (6,212)
Cash and cash equivalents, beginning of period 4,470 10,598
Cash and cash equivalents, end of period $ 5,846 $ 4,386