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v3.8.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 24, 2017 | Sep. 25, 2016
Operating activities |  |
Net earnings | $ 2,644 | $ 4,314
Adjustments to reconcile net earnings to net cash provided by operating activities |  |
Depreciation and amortization | 880 | 888
Stock-based compensation | 133 | 124
Severance charges | 0 | 99
Gain on divestiture of IS&GS business segment | 0 | (1,234)
Gain on step acquisition of AWE | 0 | (104)
Changes in assets and liabilities |  |
Receivables, net | (819) | (1,537)
Inventories, net | (133) | (235)
Accounts payable | 1,229 | 1,033
Customer advances and amounts in excess of costs incurred | (581) | 57
Postretirement benefit plans | 1,012 | 787
Income taxes | (202) | 37
Other, net | 801 | 231
Net cash provided by operating activities | 4,964 | 4,460
Investing activities |  |
Capital expenditures | (670) | (627)
Other, net | 15 | 76
Net cash used for investing activities | (655) | (551)
Financing activities |  |
Special cash payment from divestiture of IS&GS business segment | 0 | 1,800
Repurchases of common stock | (1,500) | (1,280)
Dividends paid | (1,591) | (1,518)
Repayments of long-term debt | 0 | (952)
Proceeds from stock option exercises | 62 | 75
Other, net | (176) | (229)
Net cash used for financing activities | (3,205) | (2,104)
Net change in cash and cash equivalents | 1,104 | 1,805
Cash and cash equivalents at beginning of period | 1,837 | 1,090
Cash and cash equivalents at end of period | $ 2,941 | $ 2,895

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