Net Sales - Schedule of Balance of Deferred Revenue Related to Contracts with Customers (Details) $ in Millions	12 Months Ended
Dec. 31, 2018 USD ($)
Revenue from Contract with Customer [Abstract]
Deferred revenue, current	$ 39
Deferred revenue, noncurrent	39
Change in Contract with Customer, Liability [Roll Forward]
Balance at December 31, 2017	121
Revenue deferred during period	116
Revenue recognized during period	(159)
Impact of foreign currency translation	0
Balance at December 31, 2018	$ 78

Change in Contract with Customer, Liability [Roll Forward]

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Contract with Customer, Liability, Impact of Foreign Currency Translation

+ References

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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