Other Financial Data - Inventories, Net (Details) - USD ($) $ in Millions	Mar. 30, 2019	Dec. 31, 2018
Inventory, Net [Abstract]
Finished goods	$ 227	$ 206
Work-in-process and production materials	340	293
Inventories, gross	567	499
Less inventory reserves	(142)	(143)
Inventories, net	$ 425	$ 356

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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No definition available.

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Amount of valuation reserve for inventory.

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The aggregate carrying amount as of the balance sheet date of items held by the entity which are partially completed at the time of measurement and unprocessed items that will go through the production process and become part of the final product. Includes supplies used directly or indirectly in the manufacturing or production process. This element may be used when the reporting entity combines work in process and raw materials into an aggregate amount.

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