Consolidated Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net income	$ 572	$ 2,785
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,056	977
Impairment of long-lived assets	582
Amortization of debt-related costs	12	7
Share-based compensation	43	36
Inventory valuation charges	163
Equity investments -
Equity income	(123)	(179)
Distributions of earnings, net of tax	104	159
Deferred income taxes	(135)	189
Changes in assets and liabilities that provided (used) cash:
Accounts receivable	152	(46)
Inventories	452	(12)
Accounts payable	(90)	(7)
Other, net	(127)	(190)
Net cash provided by operating activities	2,661	3,719
Cash flows from investing activities:
Expenditures for property, plant and equipment	(1,673)	(1,963)
Purchases of available-for-sale debt securities	(270)	0
Proceeds from sales and maturities of available-for-sale debt securities	90	511
Purchases of equity securities	(267)	0
Proceeds from sales of equity securities	313	332
Acquisition of equity method investment	(472)
Other, net	(28)	(90)
Net cash used in investing activities	(2,307)	(1,210)
Cash flows from financing activities:
Repurchases of Company ordinary shares	(4)	(3,752)
Dividends paid - common stock	(1,053)	(1,111)
Purchase of non-controlling interest	(30)	(63)
Issuance of long-term debt	2,492	2,096
Repayments of long-term debt	(500)	(2,000)
Payments of debt issuance costs	(18)	(12)
Issuance of short-term debt	521	2,500
Repayments of short-term Debt	(504)	0
Net proceeds from (repayments of) commercial paper	194	(23)
Payments on forward-starting interest rate swaps that include financing elements	(238)
Proceeds from settlement of cash flow hedges	346
Other, net	(14)	(17)
Net cash provided by (used in) financing activities	1,192	(2,382)
Effect of exchange rate changes on cash	50	(16)
Increase in cash and cash equivalents and restricted cash	1,596	111
Cash and cash equivalents and restricted cash at beginning of period	888	401
Cash and cash equivalents and restricted cash at end of period	$ 2,484	$ 512