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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Operating Activities |  |
Net income | $ 319 | $ 240
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 240 | 246
Stock-based compensation expense | 20 | 24
Below market intangible amortization | (25) | (20)
Net loss on disposal of property, plant and equipment | 3 | 3
Changes in operating assets and liabilities, net of acquisitions |  |
Accounts receivable and unbilled accounts receivable | 45 | (29)
Inventories | (256) | 8
Accounts payable | 185 | 82
Accrued income taxes | 32 | 19
Accrued liabilities and customer deposits | (93) | (38)
Other assets and liabilities | (46) | (20)
Net cash provided by operating activities | 424 | 515
Investing Activities |  |
Purchase of property, plant and equipment | (50) | (55)
Proceeds from disposal of property, plant and equipment | 2 | 8
Acquisitions of businesses, net of cash acquired | (69) | (405)
Net cash used for investing activities | (117) | (452)
Financing Activities |  |
Proceeds from debt, net of issuance costs | 3,416 | 3,008
Payments of debt | (3,216) | (3,170)
Repurchase of stock | (399) | (1)
Cash dividends | (55) | (46)
Other financing activities | (2) | (4)
Net cash used for financing activities | (256) | (213)
Effect of changes in currency exchange rates | (23) | 5
Increase (decrease) in cash | 28 | (145)
Cash and cash equivalents, beginning of period | 473 | 599
Cash and cash equivalents, end of period | $ 501 | $ 454

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