CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Operating activities
Net income (loss)	$ 262	$ (99)
Adjustments to reconcile net income (loss) to cash provided by operating activities:
Depreciation and amortization	199	175
Deferred income taxes	3	(101)
Other, net	(1)	28
Net change in operating assets and liabilities	(214)	25
Net cash provided by operating activities	249	28
Investing activities
Expenditures for property, plant and equipment	(191)	(154)
Proceeds from sale of property, plant and equipment	1	2
Net cash used in investing activities	(189)	(152)
Financing activities
Net decrease in short-term debt	(291)	(142)
Increase in long-term debt	14	1,720
Decrease in long-term debt	0	(630)
Dividends paid	(54)	(54)
Common stock options exercised	2	0
Net cash (used in) provided by financing activities	(329)	895
Effect of exchange rate changes on cash and cash equivalents	(16)	8
(Decrease) increase in cash and cash equivalents	(285)	779
Cash and cash equivalents at beginning of period	1,178	445
Cash and cash equivalents at end of period	$ 893	$ 1,223