Financial Instruments Effect of Derivative Instruments (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Successor [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, (Loss) Gain Recognized in Other Comprehensive Income (Loss), Effective Portion, Pre-Tax		$ (15)		$ 1
Gain (Loss) on Derivative Instruments, Net, Pretax		191		8
Successor [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, (Loss) Gain Recognized in Other Comprehensive Income (Loss), Effective Portion, Pre-Tax		(15)		1
Gain on Hedging Activity, Pre-tax		6		7
Successor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, (Loss) Gain Recognized in Other Comprehensive Income (Loss), Effective Portion, Pre-Tax		(15)		1
Successor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Commodity Contract [Member] | Cost of Goods Sold
Derivative Instruments, Gain (Loss) [Line Items]
Gain on Hedging Activity, Pre-tax	[1],[2]	6		7
Successor [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Pre-tax		185		1
Successor [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contract [Member] | Cost of Goods Sold
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Pre-tax	[2]	8		5
Successor [Member] | Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Sundry Income - net
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Pre-tax	[3]	177		(4)
Successor [Member] | Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Sales Revenue, Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Pre-tax	[4]	$ 0		$ 0
Predecessor [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, (Loss) Gain Recognized in Other Comprehensive Income (Loss), Effective Portion, Pre-Tax			$ 0		$ 4
Gain (Loss) on Derivative Instruments, Net, Pretax			(74)		(147)
Predecessor [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, (Loss) Gain Recognized in Other Comprehensive Income (Loss), Effective Portion, Pre-Tax			0		4
Gain on Hedging Activity, Pre-tax			13		21
Predecessor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, (Loss) Gain Recognized in Other Comprehensive Income (Loss), Effective Portion, Pre-Tax			0		4
Predecessor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Commodity Contract [Member] | Cost of Goods Sold
Derivative Instruments, Gain (Loss) [Line Items]
Gain on Hedging Activity, Pre-tax	[1],[2]		13		21
Predecessor [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Pre-tax			(87)		(168)
Predecessor [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contract [Member] | Cost of Goods Sold
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Pre-tax	[2]		0		4
Predecessor [Member] | Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Sundry Income - net
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Pre-tax	[3]		(86)		(171)
Predecessor [Member] | Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Sales Revenue, Net [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Pre-tax	[4]		$ (1)		$ (1)

[1] For cash flow hedges, this represents the portion of the gain (loss) reclassified from accumulated OCI into income during the period.

[2] Recorded in cost of goods sold.

[3] Gain recognized in sundry income (expense) - net was partially offset by the related gain on the foreign currency-denominated monetary assets and liabilities of the company's operations. See Note 8 for additional information.

[4] Recorded in net sales.