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Consolidated Statements of Cash Flows (Unaudited) (USD $) In Millions, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2014 | Sep. 30, 2013
Cash flows from operating activities: |  |
Net income | $ 100 | $ 113
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 14 | 12
Deferred income taxes |  | 1
Stock-Based compensation | 10 | 5
Other, net | (4) | 10
Change in operating assets and liabilities: |  |
Receivables | (244) | (24)
Inventories | (49) | 80
Prepaid and other current assets | (6) | (19)
Accounts payable | 211 | 45
Income taxes payable | 4 | (4)
Other assets / liabilities, net | (6) | (12)
Net cash provided by operating activities | 30 | 207
Cash flows from investing activities: |  |
Purchases of property, plant and equipment | (32) | (50)
Other, net | 8 | 1
Net cash used in investing activities | (24) | (49)
Cash flows from financing activities: |  |
Net contributions from (distributions to) NOV | 74 | (224)
Net cash provided by (used in) financing activities | 74 | (224)
Effect of exchange rates on cash and cash equivalents | (15) | (1)
Net change in cash and cash equivalents | 65 | (67)
Cash and cash equivalents, beginning of period | 101 | 138
Cash and cash equivalents, end of period | 166 | 71
Supplemental disclosures of cash flow information: |  |
Income taxes paid | 50 | 65
Non-cash investing and financing activities: |  |
Contributed property, plant and equipment, net | 4 |
Accrued purchases of property, plant and equipment | $ 1 |

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