Net Earnings Per Common Share (Narrative) (Details) - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Jul. 01, 2022	Jul. 02, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average MCPS converted shares (in shares)	1,100	11,000	6,000	11,000
Mandatory convertible preferred stock dividends	$ 22	$ 41	$ 63	$ 82
Preferred stock series A
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average MCPS converted shares (in shares)	1,100	11,000	6,000	11,000
Mandatory convertible preferred stock dividends	$ 0	$ 20	$ 20	$ 40
5.00% Mandatory Convertible Preferred Stock, Series B, without par value
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	8,600	8,600	8,600	8,600
Mandatory convertible preferred stock dividends	$ 22	$ 21	$ 43	$ 42
Common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount	2,400	193	2,400	132