v3.20.4
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Cash flows from operating activities:      
Net income (loss) $ 80 $ 272 $ 2,258
Adjustments to reconcile net income (loss) to net cash provided by (used for) operating activities:      
Depreciation and amortization 1,988 2,047 1,987
Share-based compensation 384 346 314
Amortization of discount (premium) on debt, net (1) 42 42
Amortization of debt issuance costs 9 11 10
Net (gain) loss on sale of assets (115) (20) 0
(Gain) loss on extinguishment of debt 60 11 26
Results relating to equity-accounted investees 4 (1) (54)
(Gain) loss on equity securities, net (21) 0 0
Deferred tax expense (benefit) (349) (175) (211)
Changes in operating assets and liabilities:      
(Increase) decrease in receivables and other current assets (51) 116 187
(Increase) decrease in inventories 163 128 (65)
Increase (decrease) in accounts payable and accrued liabilities 319 (460) (129)
Decrease (increase) in other non-current assets 7 43 (22)
Exchange differences 16 15 14
Other items (11) (2) 12
Net cash provided by (used for) operating activities 2,482 2,373 4,369
Cash flows from investing activities:      
Purchase of identified intangible assets (130) (102) (50)
Capital expenditures on property, plant and equipment (392) (526) (611)
Proceeds from disposals of property, plant and equipment 4 23 1
Purchase of interests in businesses, net of cash acquired (34) (1,698) (18)
Proceeds from sale of interests in businesses, net of cash divested 161 37 159
Purchase of investments (30) (19) (9)
Proceeds from the sale of investments 2 1 2
Proceeds from return of equity investments 1 0 4
Net cash provided by (used for) investing activities (418) (2,284) (522)
Cash flows from financing activities:      
Payment of cash convertible note 0 (1,150) 0
Proceeds from settlement of cash convertible note hedge 0 144 0
Payment of bond hedge derivatives - convertible option 0 (145) 0
Repayment of Bridge Loan 0 0 (1,000)
Proceeds from Bridge Loan 0 0 1,000
Repurchase of long-term debt (1,809) (600) (1,273)
Principal payments on long-term debt 0 0 (1)
Proceeds from the issuance of long-term debt 2,000 1,750 1,997
Cash paid for debt issuance costs (15) (24) (23)
Cash paid for terminated acquisition adjustment event 0 0 (60)
Dividends paid to non-controlling interests (35) 0 (54)
Dividends paid to common stockholders (420) (319) (74)
Proceeds from issuance of common stock through stock plans 72 84 39
Purchase of treasury shares and restricted stock unit withholdings (627) (1,443) (5,006)
Cash paid on behalf of shareholders for tax on repurchased shares 0 (128) (142)
Other, net (1) 0 0
Net cash provided by (used for) financing activities (835) (1,831) (4,597)
Effect of changes in exchange rates on cash positions 1 (2) (8)
Increase (decrease) in cash and cash equivalents 1,230 (1,744) (758)
Cash and cash equivalents at beginning of period 1,045 2,789 3,547
Cash and cash equivalents at end of period 2,275 1,045 2,789
Net cash paid during the period for:      
Interest 336 242 177
Income taxes, net of refunds 148 368 188
Cash proceeds from the sale of assets 165 21 0
Book value of these assets (50) (1) 0
Non-cash capital expenditures 119 133 137
Receivables 0 0 (36)
Inventories $ 0 $ 0 $ 22