Financial Instruments Fair Value of Derivatives (Details) - USD ($) $ in Millions		Dec. 31, 2017	Dec. 31, 2016
Successor [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Asset, Gross		$ 46
Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset	[1]	(37)
Derivative Asset		9
Derivative Liability, Gross		79
Derivative Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset	[1]	(32)
Derivative Liability		47
Derivative Liability, Collateral, Right to Reclaim Cash, Offset		5
Predecessor [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Asset, Gross	[2]		$ 182
Derivative Liability, Gross	[2]		121
Derivatives Subject to Enforceable Master Netting Arrangements			114
Other Current Assets [Member] | Not Designated as Hedging Instrument [Member] | Successor [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Asset, Gross		46
Derivative Asset, Fair Value, Gross Liability and Obligation to Return Cash, Offset	[1]	(37)
Derivative Asset		9
Accrued and Other Current Liabilities [Member] | Predecessor [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Collateral, Obligation to Return Cash	[3]		52
Accrued and Other Current Liabilities [Member] | Not Designated as Hedging Instrument [Member] | Successor [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liability, Gross		79
Derivative Liability, Fair Value, Gross Asset and Right to Reclaim Cash, Offset	[1]	(32)
Derivative Liability		$ 47
Accrued and Other Current Liabilities [Member] | Not Designated as Hedging Instrument [Member] | Predecessor [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Liability, Gross			121
Accounts and Notes Receivable [Member] | Not Designated as Hedging Instrument [Member] | Predecessor [Member] | Foreign Exchange Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Asset, Gross	[3]		$ 182

[1] Counterparty and cash collateral amounts represent the estimated net settlement amount when applying netting and set-off rights included in master netting arrangements between the company and its counterparties and the payable or receivable for cash collateral held or placed with the same counterparty. The company held cash collateral of $5 million as of December 31, 2017.

[2] The company's derivative assets and liabilities subject to enforceable master netting arrangements totaled $114 million at December 31, 2016.

[3] Cash collateral held as of December 31, 2016 is related to foreign currency derivatives not designated as hedging instruments.