Other Income (Expense), Net (Schedule of Other Income (Expense)) (Details) - USD ($) $ in Millions	3 Months Ended
Apr. 01, 2022	Apr. 02, 2021
Other Income and Expenses [Abstract]
Other components of net periodic benefit costs	$ 4	$ 11
Investment gains (losses):
Realized investment gains (losses)	37	27
Unrealized investment gains (losses)	(61)	89
Total investment gains (losses)	(24)	116
Gain on sale of product lines	0	13
Total other income (expense), net	$ (20)	$ 140

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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