Financial Instruments Effect of Derivative Instruments (Details) - USD ($) $ in Millions		4 Months Ended	8 Months Ended	12 Months Ended
		Dec. 31, 2017	Aug. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Successor [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net		$ 3
Gain (Loss) on Derivative Instruments, Net, Pretax		91
Successor [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net		3
Gain (Loss) on Hedging Activity		0
Successor [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net		91
Predecessor [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net			$ 5	$ 32	$ (37)
Gain (Loss) on Derivative Instruments, Net, Pretax			(408)	(345)	416
Predecessor [Member] | Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net			5	32	(37)
Gain (Loss) on Hedging Activity			21	(18)	(13)
Predecessor [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net			(429)	(327)	429
Foreign Exchange Contract [Member] | Successor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net		0
Foreign Exchange Contract [Member] | Predecessor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net			0	0	(2)
Foreign Exchange Contract [Member] | Net sales | Successor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Hedging Activity	[1],[2]	0
Foreign Exchange Contract [Member] | Net sales | Successor [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	[2]	0
Foreign Exchange Contract [Member] | Net sales | Predecessor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Hedging Activity	[1],[2]		0	0	10
Foreign Exchange Contract [Member] | Net sales | Predecessor [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	[2]		0	(12)	(3)
Foreign Exchange Contract [Member] | Sundry Income (Expense) | Successor [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	[3]	91
Foreign Exchange Contract [Member] | Sundry Income (Expense) | Predecessor [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	[3]		(431)	(304)	434
Commodity Contract [Member] | Successor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net		3
Commodity Contract [Member] | Predecessor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net			5	32	(35)
Commodity Contract [Member] | Cost of Goods Sold | Successor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Hedging Activity	[1],[4]	0
Commodity Contract [Member] | Cost of Goods Sold | Successor [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	[4]	0
Commodity Contract [Member] | Cost of Goods Sold | Predecessor [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Hedging Activity	[1],[4]		21	(18)	(22)
Commodity Contract [Member] | Cost of Goods Sold | Predecessor [Member] | Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	[4]		2	(11)	(2)
Interest Rate Swap [Member] | Cost of Goods Sold | Successor [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Hedging Activity	[4]	$ 0
Interest Rate Swap [Member] | Cost of Goods Sold | Predecessor [Member] | Designated as Hedging Instrument [Member] | Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Hedging Activity	[4]		$ 0	$ 0	$ (1)

[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 net sales.

[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 6 for additional information.

[4] Recorded in cost of goods sold.