Financial Instruments Effect of Derivative Instruments (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Successor [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion, Pre-Tax		$ 16
Gain (Loss) on Derivative Instruments, Net, Pretax		(183)
Successor [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion, Pre-Tax		16
Gain on Hedging Activity, Pre-tax		1
Successor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion, Pre-Tax		16
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]	1
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		(184)
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]	(3)
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]	$ (181)
Predecessor [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion, Pre-Tax			$ 4
Gain (Loss) on Derivative Instruments, Net, Pretax			(73)
Predecessor [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion, Pre-Tax			4
Gain on Hedging Activity, Pre-tax			8
Predecessor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion, Pre-Tax			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]		8
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			(81)
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]		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]		$ (85)

[1] For cash flow hedges, this represents the effective portion of the gain (loss) reclassified from accumulated OCI into income during the period. There was no material ineffectiveness with regard to the company's cash flow hedges during the period.

[2] Recorded in cost of goods sold.

[3] Gain recognized in sundry income - 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.