Supplemental Balance Sheet and Cash Flow Information - Supplemental Cash Flow Information (Details) - USD ($) $ in Millions				12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Change in Working Capital [Abstract]
Change in accounts receivable				$ 134	$ (113)	$ (141)
Change in inventories				35	(110)	(146)
Change in accounts payable				(96)	97	234
Change in accrued payroll and employee benefits				(21)	(28)	53
Change in accrued income taxes				(19)	(3)	26
Change in other current assets and liabilities				(50)	44	(34)
Increase Decrease In Current Operating Capital Net				17	113	8
Supplemental Cash Flow Information [Abstract]
Cash and cash equivalents	$ 508	$ 510	$ 603	508	510	603	$ 707
Restricted cash included in other current assets	6	7	3	6	7	3	5
Restricted cash included in other noncurrent assets	4	3	4	4	3	4	4
Total cash, cash equivalents and restricted cash	518	520	610	518	520	610	$ 716
Interest paid				117	90	104
Income taxes paid				125	145	87
Purchases of property, plant and equipment held in accounts payable	$ 71	$ 91	$ 86
Noncash financing activity related to stock compensation plans				17	18	17
Noncash financing activity related to dividends in stock compensation plans				$ 1	$ 1