Discontinued Operations - Components of Assets and Liabilities of Discontinued Operations (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Assets
Cash and cash equivalents	$ 0	$ 58	$ 381	$ 319
Total current assets of discontinued operations	0	674
Noncurrent assets of discontinued operations	0	91
Liabilities
Total current liabilities of discontinued operations	0	128
Total Noncurrent Liabilities of Discontinued Operations	$ 0	83
Discontinued Operations, Held-for-sale or Disposed of by Sale
Assets
Cash and cash equivalents		58
Accounts receivable		322
Inventories		58
Due from related party		189
Other current assets		47
Total current assets of discontinued operations		674
Property, Plant and Equipment, net		14
Other Noncurrent Assets		77
Noncurrent assets of discontinued operations		91
Total Assets of Discontinued Operations		765
Liabilities
Trade accounts payable		35
Accrued and other current liabilities		93
Total current liabilities of discontinued operations		128
Deferred Income Taxes		0
Other Noncurrent Liabilities		83
Total Noncurrent Liabilities of Discontinued Operations		83
Total Liabilities of Discontinued Operations		$ 211