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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Cash flows from operating activities:    
Net loss $ (137) $ (2,136)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Depreciation and amortization 156 187
Provision for inventory losses 22 152
Deferred income taxes (7) (64)
Loss on extinguishment of debt 7  
Equity loss in unconsolidated affiliates 4 239
Goodwill and indefinite-lived intangible asset impairment   1,378
Long-lived asset impairment   513
Other, net 44 71
Change in operating assets and liabilities, net of acquisitions:    
Receivables 1 356
Inventories 64 123
Contract assets 77 127
Prepaid and other current assets 4 42
Accounts payable 37 (160)
Accrued liabilities (88) (174)
Contract liabilities 38 (20)
Income taxes payable (36) 18
Other assets/liabilities, net (36) (235)
Net cash provided by operating activities 150 417
Cash flows from investing activities:    
Purchases of property, plant and equipment (98) (124)
Other 9 13
Net cash used in investing activities (89) (111)
Cash flows from financing activities:    
Borrowings against lines of credit and other debt 34 25
Payments against lines of credit and other debt (183)  
Cash dividends paid   (19)
Other (33) (33)
Net cash used in financing activities (182) (27)
Effect of exchange rates on cash 1 (3)
Increase (decrease) in cash and cash equivalents (120) 276
Cash and cash equivalents, beginning of period 1,692 1,171
Cash and cash equivalents, end of period 1,572 1,447
Cash payments (refunds) during the period for:    
Interest 39 42
Income taxes $ (85) $ (63)