Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 144	$ 817
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	342	322
Amortization of debt-related costs	4	1
Share-based compensation	16	12
LCM inventory valuation charge	419	0
Equity investments -
Equity income	0	(64)
Distributions of earnings, net of tax	15	25
Deferred income taxes	68	46
Changes in assets and liabilities that provided (used) cash:
Accounts receivable	4	(206)
Inventories	121	(3)
Accounts payable	(235)	105
Other, net	(356)	(398)
Net cash provided by operating activities	542	657
Cash flows from investing activities:
Expenditures for property, plant and equipment	(660)	(599)
Proceeds from maturities of available-for-sale debt securities	0	308
Proceeds from sales of equity securities	1	162
Other, net	(4)	(49)
Net cash used in investing activities	(663)	(178)
Cash flows from financing activities:
Repurchases of Company ordinary shares	(4)	(512)
Dividends paid - common stock	(351)	(372)
Purchase of non-controlling interest	(30)	(63)
Issuance of long-term debt	500	0
Repayments of long-term debt	0	(1,000)
Issuance of short-term debt	500	2,000
Net proceeds from (repayments of) commercial paper	516	(559)
Payments on forward-starting interest rate swaps that include financing elements	(238)
Other, net	(9)	(15)
Net cash provided by (used in) financing activities	884	(521)
Effect of exchange rate changes on cash	(18)	(1)
Increase (decrease) in cash and cash equivalents and restricted cash	745	(43)
Cash and cash equivalents and restricted cash at beginning of period	888	401
Cash and cash equivalents and restricted cash at end of period	$ 1,633	$ 358