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Consolidated Statements of Cash Flows - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Cash flows from operating activities:      
Net loss $ (6,093) $ (22) $ (236)
Adjustments to reconcile net loss to net cash provided by operating activities:      
Depreciation and amortization 533 690 698
Deferred income taxes (426) (63) (341)
Stock-based compensation 130 110 124
Loss on extinguishment of debt 26    
Equity (income) loss in unconsolidated affiliates 13 3 5
Goodwill and indefinite-lived intangible asset impairment 3,612    
Long-lived asset impairment 2,209    
Provision for inventory losses 659 49 114
Other, net 16 (7) 20
Change in operating assets and liabilities, net of acquisitions:      
Receivables 275 (72) 72
Inventories 104 (7) 229
Contract assets (70) (68) 170
Prepaid and other current assets (45) 67 130
Accounts payable (19) 196 86
Accrued liabilities (194) (186) (130)
Contract liabilities (34) (62) (160)
Income taxes payable (25) (15) (44)
Other assets/liabilities, net 43 (92) 95
Net cash provided by operating activities 714 521 832
Cash flows from investing activities:      
Purchases of property, plant and equipment (233) (244) (192)
Business acquisitions, net of cash acquired (180) (280) (86)
Other, net 98 67 33
Net cash used in investing activities (315) (457) (245)
Cash flows from financing activities:      
Borrowings against lines of credit and other debt 511    
Payments against lines of credit and other debt (1,000)   (500)
Financing leases (32) (8) (6)
Cash dividends paid (77) (76) (76)
Debt issuance and extinguishment costs (36)    
Other (13) 54 (13)
Net cash used in financing activities (647) (30) (595)
Effect of exchange rates on cash (8) (44) 37
Increase (decrease) in cash and cash equivalents (256) (10) 29
Cash and cash equivalents, beginning of period 1,427 1,437 1,408
Cash and cash equivalents, end of period 1,171 1,427 1,437
Cash payments during the period for:      
Interest 85 90 97
Income taxes $ 144 $ 64 $ 50