Inventories (Details) - USD ($) $ in Millions	Apr. 04, 2020	Jan. 04, 2020
Inventories
Finished goods	$ 1,611	$ 1,557
Work in process	1,762	1,616
Raw materials and components	1,012	896
Total inventories	$ 4,385	$ 4,069

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

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

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