Fresh Start Adjustments - Held For Sale (Details) $ in Millions	Jul. 01, 2019 USD ($)
Fresh-Start Adjustment [Line Items]
Inventory fair value adjustments	$ 29
Property, plant and equipment fair value adjustment	780
Pension liability fair value adjustment	(44)
Fresh Start Adjustments [Member]
Fresh-Start Adjustment [Line Items]
Pension liability fair value adjustment	44
Discontinued Operations
Fresh-Start Adjustment [Line Items]
Inventory fair value adjustments	2
Property, plant and equipment fair value adjustment	158
Pension liability fair value adjustment	(5)
Discontinued Operations | Fresh Start Adjustments [Member]
Fresh-Start Adjustment [Line Items]
Inventory fair value adjustments	2
Total current assets held for sale	2
Investment in unconsolidated companies	3
Deferred tax assets	(1)
Other long-term assets	3
Property, plant and equipment fair value adjustment	158
Operating lease assets (See endnote X)	6
Goodwill (See endnote Y)	(11)
Other intangible assets (See endnote Z)	57
Total noncurrent assets held for sale	215
Current portion of operating lease liabilities (See endnote X)	1
Current liabilities associated with assets held for sale	1
Pension liability fair value adjustment	5
Deferred income taxes	15
Noncurrent liabilities associated with assets held for sale	$ 20