Other Income (Expense), Net (Schedule of Other Income (Expense)) (Details) - USD ($) $ in Millions		3 Months Ended	9 Months Ended
Apr. 30, 2020	Oct. 01, 2021	Apr. 02, 2021	Oct. 02, 2020	Oct. 01, 2021	Oct. 02, 2020
Other Income and Expenses [Abstract]
Other components of net periodic benefit costs		$ 9		$ 4	$ 31	$ 14
Realized investment gains (losses)		10		0	48	0
Unrealized investment gains (losses)		118		3	282	(10)
Total investment gains (losses)		128		3	330	(10)
Gain on sale of product lines	$ 455	0	$ 13	0	13	455
Total other income (expense), net		$ 137		$ 7	$ 374	$ 459

Amount of net pension and postretirement benefits classified as other income.

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Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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Amount of realized and unrealized gain (loss) on investment.

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Amount of income (expense) related to nonoperating activities, classified as other.

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Amount of realized gain (loss) on investment.

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Amount of unrealized gain (loss) on investment.

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