Inventories (Details) - USD ($) $ in Millions	Jan. 02, 2021	Jan. 04, 2020
Inventories
Finished goods	$ 1,228	$ 1,557
Work in process	1,455	1,616
Raw materials and components	830	896
Total	3,513	4,069
Inventories by LIFO method	2,200	2,500
LIFO carrying value at current cost	$ 507	$ 475

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 by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods.

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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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The amount of LIFO (last in first out) inventory present at the reporting date when inventory is also valued using different valuation methods.

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