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Consolidated Statements of Cash Flows - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Operating activities:    
Net income $ 1,134 $ 641
Adjustments to reconcile net income to net cash provided by operations:    
Net change in operating assets and liabilities (592) (797)
Impairment of long-lived assets 432 11
Depreciation and amortization 507 480
Goodwill impairment 180  
Deferred income taxes - net and uncertain tax positions (221) (217)
Net gain from sale of long-lived assets and investments (106) (39)
Impairment of equity investment 94  
Research and development in process 54  
Stock-based compensation 30 40
Other items (16) 17
Net cash provided by operating activities 1,496 136
Investing activities:    
Proceeds from sales of business, investments and long-lived assets 824 1,412
Beneficial interest collected in exchanged for securitized trade receivables 444 334
Purchases of property, plant and equipment (163) (202)
Purchases of investments and other assets (56) (6)
Other investing activities (10) (22)
Net cash provided by investing activities 1,039 1,516
Financing activities:    
Repayment of long-term loans and other long-term liabilities (6,243)  
Proceeds from long-term loans, net of issuance costs 4,440  
Net change in short-term debt (261) (1,350)
Dividends paid on ordinary shares (12) (346)
Dividends paid on preferred shares (10) (65)
Other financing activities (5) (7)
Net cash used in financing activities (2,091) (1,768)
Translation adjustment on cash and cash equivalents 11 28
Net change in cash and cash equivalents 455 (88)
Balance of cash and cash equivalents at beginning of period 963 988
Balance of cash and cash equivalents at end of period 1,418 900
Supplemental cash flow information:    
Beneficial interest obtained in exchange for securitized trade receivables $ 551 $ 285