Discontinued Operations - Components of Income (Loss) from Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Costs, Expenses and Other
Loss from discontinued operations, net of taxes	$ 0	$ (13)	$ 0	$ (88)
Discontinued Operations, Held-for-sale or Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sales	0	433	93	1,316
Costs, Expenses and Other
Cost of Sales	0	353	65	1,065
Selling, general and administrative	0	80	15	248
Research and development	0	29	4	78
Restructuring costs	0	3	0	8
Other (income) expense, net	0	(24)	4	(12)
Income (loss) from discontinued operations before taxes	0	(8)	5	(71)
Taxes on income	0	5	5	17
Loss from discontinued operations, net of taxes	$ 0	$ (13)	$ 0	$ (88)