Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Millions		4 Months Ended	8 Months Ended	12 Months Ended
		Dec. 31, 2017	Aug. 31, 2017	Dec. 31, 2019	Dec. 31, 2018
SEC Schedule, 12-09, Allowance, Credit Loss [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period		$ 273	$ 250	$ 127	$ 64
Additions charges to expenses		11	57	69	80
Deductions from reserves	[1]	(7)	(34)	(22)	(17)
Balance at end of period		64	273	174	127
SEC Schedule, 12-09, Reserve, Inventory [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period		220	164	272	137
Additions charges to expenses		88	217	370	449
Deductions from reserves	[2]	(40)	(161)	(386)	(314)
Balance at end of period		137	220	256	272
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period		383	504	669	559
Additions charges to expenses		104	69	20	451
Deductions from reserves	[3]	(47)	(190)	(232)	(341)
Balance at end of period		559	383	$ 457	$ 669
Successor Period [Member] | SEC Schedule, 12-09, Allowance, Credit Loss [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period		60
Balance at end of period			60
Successor Period [Member] | SEC Schedule, 12-09, Reserve, Inventory [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period		89
Balance at end of period			89
Successor Period [Member] | SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items]
Balance at beginning of period		$ 502
Balance at end of period			$ 502

[1] Deductions include write-offs, recoveries and currency translation adjustments.

[2] Deductions include disposals and currency translation adjustments.

[3] Deductions include currency translation adjustments.