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v3.21.1

Consolidated Statements of Cash Flows - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 28, 2021 | Mar. 29, 2020
Operating activities |  |
Net earnings | $ 1,837 | $ 1,717
Adjustments to reconcile net earnings to net cash provided by operating activities |  |
Depreciation and amortization | 336 | 301
Stock-based compensation | 47 | 42
Severance and restructuring charges | 36 | 0
Changes in assets and liabilities |  |
Receivables, net | (236) | (555)
Contract assets | (1,363) | (1,095)
Inventories | 289 | 80
Accounts payable | 1,023 | 1,894
Contract liabilities | (290) | 151
Postretirement benefit plans | (66) | (39)
Income taxes | 301 | 167
Other, net | (166) | (349)
Net cash provided by operating activities | 1,748 | 2,314
Investing activities |  |
Capital expenditures | (281) | (293)
Other, net | 112 | (2)
Net cash used for investing activities | (169) | (295)
Financing activities |  |
Dividends paid | (739) | (693)
Repurchases of common stock | (1,000) | (756)
Other, net | (67) | (96)
Net cash used for financing activities | (1,806) | (1,545)
Net change in cash and cash equivalents | (227) | 474
Cash and cash equivalents at beginning of period | 3,160 | 1,514
Cash and cash equivalents at end of period | $ 2,933 | $ 1,988

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